Addition and Subtraction

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#### Level contents

- * Assessment for the whole of Level 2
- ** Assessment test answers
- *** Assessment test records
- 2:01 Addition practice
- Complete the single digit additions. Add around the wheel. Complete the sums to 20 with a number line or concrete materials.
- 2:01A Making 10
- Addition to 10. Draw more pictures to make 10. Match groups that make 10. Find how many more counters make 10. Complete addition number sentences to make 10.
- 2:01C Addition on the number line
- Show addition on a number line. Use an empty number line to add. Use a number line to solve addition problems.
- 2:02 Subtraction practice
- Complete subtractions using pictures, blocks or a number line. Use a calculator to check. Write a number sentence for each problem.
- 2:02A Addition and subtraction on the 10 fr...
- Show addition and subtraction number sentences on the 10 frames. Use the 10 frames to solve addition and subtraction problems.
- 2:03 Money, teacher use
- Tick the coins you would use to buy each item. Complete the 3D objects by joining the dots, counting by 2s, 5s and 10s. Add coins and notes.
- 2:03A Addition and subtraction on the 20 fr...
- Solve addition and subtraction number sentences using the 20 frames. Use the 10 frames to solve addition and subtraction problems.
- 2:03C Addition and subtraction
- Trace the + and - signs. Complete questions using blocks or a number line, if necessary. Use a calculator to check. Add the +, - or = symbol to complete the number sentences.
- 2:04 Relating addition and subtraction
- Make the addition and subtraction number sentences to go with each row. Make addition number sentences to go with each answer. Complete the money subtractions.
- 2:04A How many more?
- Draw more objects to make the given number. Use 'counting on' to find the missing number. Draw counters to solve the problem.
- 2:05 Addition
- Complete the addition number sentences to make each true. Introduce addition charts. Complete an addition web. Add +, - or = symbols to the number sentences to make each true.
- 2:05A How many at the start?
- Draw more objects to make the given number. Use 'counting on' to find the missing number. Draw counters to solve the problem.
- 2:06 Relating addition and subtraction
- Write all the addition and subtraction number sentences you can to match the patterns. Make up addition and subtraction number sentences to go with each row. One minute - facts for 11.
- 2:06E Addition of 2 or more numbers
- Extension page. Write all possible scores for the dart board, with numbers 2, 5 and 10. State the highest and lowest score, 2 or 4 darts. Add the scores over four throws. Speed and accuracy challenge.
- 2:07 Using money
- Match coin values. Name the missing coin that makes up the value of the item. Draw combinations to make fifty cents.
- 2:07C Money, whole numbers
- State how much money each has. Who has the most? etc. Use the +, - or = signs to complete the number sentences.
- 2:07PT Progress test
- Test of Addition and Subtraction
- 2:08 How many less?
- Count back or jump back on number lines to find how many less. Complete number sentences and solve problems for subtraction. Complete subtraction webs.
- 2:09 The difference
- Practise using strategies to find the difference - use blocks, count back/ on, number line, number sentence.
- 2:09A Subtraction on the number line
- Use a number line to subtract. Solve subtraction problems using a number line.
- 2:09C Subtraction
- Practise using ten frames to find the difference.
- 2:09E Harder subtraction
- Extension page. Practise finding the difference using counting back, Base 10 blocks and mental strategies.
- 2:10 Doubling & near doubling
- Practise adding using doubling method or near doubling.
- 2:10A Doubles
- Dominoes showing doubles. Double groups by drawing another group of the same size.
- 2:10C Adding to 11 and 12
- Practise adding to 11 and 12 using buttons, number line. Draw counters and use to complete number sentences.
- 2:11 Relating addition and subtraction
- Make number sentences to go with rows showing different ways to add to 13. Add numbers to make 11 and 12.
- 2:12 Adding and subtracting, teacher use
- Join the flowers to the correct value. Complete number sentences and use a calculator to check. Write number sentences that add to 10. Add and subtract numbers for 13.
- 2:12C Addition, whole numbers
- Add groups of ten. Explore addition with and without concrete materials. Understand place value.
- 2:12PT Progress test
- Test of Addition and Subtraction
- 2:13 Using strategies
- Use mental and other addition strategies to find sums. Write relating addition and subtraction number sentences.
- 2:13A Addition and subtraction strategies
- Complete the counting by 10 patterns. Add 10 to a given number. Hundreds chart. Complete the addition number sentences.
- 2:13C Addition and subtraction practice
- Use pictures to complete number sentences. Add +, - or = signs to complete addition and subtraction number sentences. Explore 5, 7 and 12, filling in spaces. Write addition and subtraction number sentences using 8, 12 and 20.
- 2:14 Money
- Add coins and compare to purchase prices. Find money left after purchasing items. Find how many of one product can be bought. Find how much more money is needed.
- 2:15 Relating addition & subtraction
- Match pairs that make 14 and complete number sentences. Complete addition and subtraction algorithms.
- 2:16 More adding strategies
- Write and colour pairs of numbers that make 10. Complete addition algorithms by making 10s. Learn and practise Bridging to 10s strategy. Practise mental addition.
- 2:16C Addition practice
- Complete addition grids and algorithms. Practise adding money. Write true or false for the number sentences. Make additions to 15. Practise using doubles and near doubles strategies.
- 2:17 Working with numbers
- Practise adding money. Make the number sentences correct. Make additions and subtractions for 15.
- 2:17A Equivalent values
- Match notes or coins to money of equivalent value. Draw money to show amounts given.
- 2:18 Addition and subtraction
- Make addition and subtraction combinations for 16 and 18.
- 2:18C Combinations to 16
- 2:19 Addition using the jump strategy
- Complete 2 digit addition problems using the jump strategy. Show number sentences on number lines. Write number sentences for number lines.
- 2:19E The jump strategy
- Extension page. Jump 0 to 100 by 10s along number lines and answer addition questions. Show different ways of making $1 by writing numbers on coins.
- 2:20 Subtraction using the jump strategy
- Complete 2-digit subtraction problems using the jump strategy. Show number sentences on number lines. Write number sentences for number lines.
- 2:20E The jump strategy
- Extension page. Complete 2-digit addition and subtraction problems using the jump strategy. Show number sentences on number lines. Make your own.
- 2:21 Operations practice
- Time yourself completing addition and subtraction problems. Count on or back by 10s to complete questions. Use known strategies.
- 2:21PT Progress test
- Test of Addition and Subtraction
- 2:22 Adding larger numbers using Base 10
- Add 2-digit numbers using Base 10 blocks. Complete problems and check using jump strategy.
- 2:22A Building to 10s
- Write numbers that add to make 10. Use the 20 frames to answer addition number sentences.
- 2:23 Subtracting larger numbers
- Subtract from 2-digit numbers using Base 10 blocks.
- 2:24 Number facts for 15, 16 and 17
- Use counting on, jump strategy or number patterns to complete number sentences. Combinations for 17.
- 2:24C Combinations to 17
- True or false and number sentences for combinations to 17.
- 2:24E Addition of 2-digit numbers
- Extension page. Use Base 10 cards to complete additions of 2-digit numbers. Use subtraction to check.
- 2:25 Addition with trading
- Use bundling of pop sticks and Base 10 material to make groups of ten and complete addition algorithms which require trading.
- 2:25C Combinations to 18
- Complete addition and subtraction combinations to 18. Use Base 10 materials and other mental strategies.
- 2:26 Subtraction with trading
- Use bundling of pop sticks and Base 10 material to complete subtraction algorithms that require trading.
- 2:26C Addition and subtraction
- Use Base 10 material to complete addition and subtraction algorithms that require trading.
- 2:27 The split strategy
- Learn and use split strategy with Base 10 material to complete addition and subtraction algorithms.
- 2:27A Using partitioning strategies
- Partitioning 2-digit numbers into tens and ones. Using the jump strategy. Using the empty number line.
- 2:27C Combinations to 19
- Complete addition and subtraction number sentences, grid and webs.
- 2:27E The split & jump strategies
- Extension page. Use the split & jump strategies to complete the number sentences.
- 2:28 Adding and subtracting
- An assortment of addition and subtraction algorithms and number sentences surround student work spaces.
- 2:29 Christmas maths
- An assortment of addition and subtraction questions are provided to review the work on previous worksheets.
- 2:30 Rounding money
- A diagram for rounding money is shown with exercises involving adding money spent, subtracting to find change and rounding.
- 2:30E Shopping and rounding off
- Extension page. Shopping with coins. Use subtraction to find change and round off.
- 2:30PT Progress test
- Test of Addition and Subtraction
- 2:AC New Maths Builder Texts *************...
- Placeholder
- 2:ACC Year 2 Cover
- Placeholder
- 2:NA00 Contents: Number and Algebra
- Contents for Number and Algebra.
- 2:NA00C Contents: Year 2 Maths Builder text
- Contents
- 2:NA00D Answers: 2:NA01 - 2:NA24
- The answers to Number and Algebra of the Year 2 Maths Builder text (2:NA01 - 2:NA24)
- 2:NA00E Answers: 2:NA25 - 2:NA35C
- The answers to Number and Algebra of the Year 2 Maths Builder text (2:NA25 - 2:NA35C)
- 2:NA00F Answers: 2:NA36 - 2:NA51
- The answers to Number and Algebra of the Year 2 Maths Builder text (2:NA36 - 2:NA51)
- 2:NA00G Answers: 2:NA52 - 2:NA81C
- The answers to Number and Algebra of the Year 2 Maths Builder text (2:NA52 - 2:NA80C)
- 2:NA06 Making 10
- Addition to 10. Draw more pictures to make 10. Match groups that make 10. Find how many more counters make 10. Complete addition number sentences to make 10.
- 2:NA07 Addition and subtraction/10 frame
- Show addition and subtraction number sentences on the 10 frames. Use the 10 frames to solve addition and subtraction problems.
- 2:NA07C Subtraction/10 frame
- Show subtraction number sentences on the 10 frames. Use the 10 frames to solve subtraction problems.
- 2:NA08 Addition and subtraction/20 frame
- Solve addition and subtraction number sentences using the 20 frames. Use the 10 frames to solve addition and subtraction problems.
- 2:NA08C Addition/rearranging parts
- Reviewing the commutative property of Addition and practising addition facts. Inserting signs to complete number sentences.
- 2:NA08S Addition practice
- Solve addition problems, algorithms.
- 2:NA13 Addition on the number line
- Show addition on a number line. Use an empty number line to add. Use a number line to solve addition problems.
- 2:NA14 Subtraction on the number line
- Use a number line to subtract. Solve subtraction problems using a number line.
- 2:NA14C Addition and subtraction
- Use a number line to add or subtract.
- 2:NA15 Addition
- Complete the single digit additions. Add around the wheel. Complete the sums to 20 with a number line or concrete materials.
- 2:NA16 Doubles
- Dominoes showing doubles. Double groups by drawing another group of the same size.
- 2:NA30 Adding and subtracting tens
- Complete the counting by 10 patterns. Add 10 to a given number. Hundreds chart. Complete the addition number sentences.
- 2:NA30C Addition of two or more numbers
- Addition of up to 4 numbers. Using a dart board to investigate possible totals when 2 or 4 darts are used.
- 2:NA33 Addition
- Complete the addition number sentences to make each true. Introduce addition charts. Complete an addition web. Add +, - or = symbols to the number sentences to make each true.
- 2:NA40 Counting back
- Count back or jump back on number lines to find how many less. Complete number sentences and solve problems for subtraction. Complete subtraction webs.
- 2:NA41 Subtraction
- Complete subtractions using pictures, blocks or a number line. Use a calculator to check. Write a number sentence for each problem.
- 2:NA42 Relating addition and subtraction
- Make the addition and subtraction number sentences to go with each row. Make addition number sentences to go with each answer. Complete the money subtractions.
- 2:NA42C Addition and subtraction
- Make the addition and subtraction number sentences to go with each row. Number facts having a total of 11, 12 and 13.
- 2:NA42S Addition and subtraction
- Related number sentences, completing algorithms and number sentences.
- 2:NA43 Addition and subtraction
- Match pairs that make 14 and complete number sentences. Complete addition and subtraction algorithms.
- 2:NA43C Working with numbers
- Using 15 in number sentences and writing number sentences that have an answer of 15. Complete addition and subtraction algorithms.
- 2:NA43S Addition and subtraction
- Using 16 in number sentences and writing number sentences that have an answer of 16. Complete addition and subtraction algorithms.
- 2:NA51 Doubling and near doubling
- Practise adding using doubling method or near doubling.
- 2:NA52 Using strategies
- Use mental and other addition strategies to find sums. Write relating addition and subtraction number sentences.
- 2:NA52C Relating addition and subtraction
- Related number sentences and totals that make 13.
- 2:NA53 Using number facts
- Use counting on, jump strategy or number patterns to complete number sentences. Combinations for 17.
- 2:NA53C Addition and subtraction
- Combinations for 18, 19 and 20. Completing algorithms.
- 2:NA54 Addition strategies
- Write and colour pairs of numbers that make 10. Complete addition algorithms by making 10s. Learn and practise Bridging to 10s strategy. Practise mental addition.
- 2:NA55 Addition and subtraction
- Time yourself completing addition and subtraction problems. Count on or back by 10s to complete questions. Use known strategies.
- 2:NA64 Adding 2-digit numbers/blocks
- Add 2-digit numbers using Base 10 blocks. Complete problems and check using jump strategy.
- 2:NA65 Subtracting 2-digit numbers
- Subtract from 2-digit numbers using Base 10 blocks.
- 2:NA65C Subtraction using 2-digit numbers
- Subtract from 2-digit numbers using blocks or other strategies.
- 2:NA65S Addition and Subtraction
- Subtract from 2-digit numbers using place value blocks.
- 2:NA66 The difference
- Practise using strategies to find the difference - use blocks, count back/ on, number line, number sentence.
- 2:NA70 Building to 10s
- Write numbers that add to make 10. Use the 20 frames to answer addition number sentences.
- 2:NA71 Using partitioning strategies
- Partitioning 2-digit numbers into tens and ones. Using the jump strategy. Using the empty number line.
- 2:NA71C Addition and subtraction
- Adding and subtracting a single-digit number from a two-digit number.
- 2:NA72 Addition using the jump strategy
- Complete 2 digit addition problems using the jump strategy. Show number sentences on number lines. Write number sentences for number lines.
- 2:NA72C The jump strategy
- Complete 2 digit addition problems using the jump strategy. Show working on number lines. Complete number sentences for number lines.
- 2:NA73 Subtraction using the jump strategy
- Complete 2-digit subtraction problems using the jump strategy. Show number sentences on number lines. Write number sentences for number lines.
- 2:NA73C The jump strategy
- Complete 2-digit addition and subtraction problems using the jump strategy. Show number sentences on number lines. Write number sentences for number lines.
- 2:NA74 The split strategy
- Learn and use split strategy with Base 10 material to complete addition and subtraction algorithms.
- 2:NA75 Addition with trading
- Use bundling of pop sticks and Base 10 material to make groups of ten and complete addition algorithms which require trading.
- 2:NA76 Subtraction with trading
- Use bundling of pop sticks and Base 10 material to complete subtraction algorithms that require trading.
- 2:NA77 Subtraction using addition
- Using counting on and the number line to perform 2-digit subtraction.