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#### Level contents

* Assessment for the whole of Level 4
*** Assessment test records
4:00 Concept Dictionary - Addition and Sub...
Teaching points extracted from worksheets showing the development of addition and subtraction concepts from Year 0 to Year 6
Complete 2 digit subtraction and addition algorithms, decimals and problems. Use calculator to check answers. Discuss other ways to check answers..
Extension page. Years and place value. 3 and 4 line addition algorithms. Doubling and near doubling strategy practice. Write 5 two-digit numbers that total under 100. Write 4 two-digit numbers that subtract from 60 leaving zero. Fill in the missing numbers.
Match each question to the position of its answer on the number line. Fill in the missing number. Use the split strategy and the jump strategy.
4:04 Inverse operations
Complete algorithms and check using inverse operation. Check answers to given questions using a calculator and inverse operation.
4:05E Addition of more than two numbers
4:05PT Progress test
4:07 Subtraction, 3 digits, no trading
Write the number represented by Base 10 blocks and subtract 120. Complete algorithms. Write a number story.
Complete algorithms and use jump or split strategy to check.
Complete algorithms and use jump or split strategy, or inverse operations, to check.
Round numbers to nearest 10, add estimates. Find area by estimating and then adding actuals. Complete algorithms manually or using a calculator and check answers by rounding.
Extension page. Estimate and add multiple line algorithms with trading. Explore changing a calculator display. Estimate how many days you've been alive. Write an algorithm to find exact number.
4:12PT Progress test
4:13E Addition up to five numbers
Extension page. Practise adding up to 5 numbers with trading. Make number sentences.
Extension page. Mental addition using jump strategy, bridging decades, associative strategy, compensation strategy.
4:15 Subtraction, 3 digits, one trade
Complete 3-digit subtractions with one trade and make up number stories. Complete algorithms and check using jump strategy.
Complete 3-digit subtractions, with trading, including money. Complete problems.
Extension page. Add litres and millilitres.
4:16EB Shopping
Extension page. Find change by counting on. Find totals and change. Spend \$5.
Estimate answer by rounding to nearest 100 and complete. Complete algorithm and check by rounding. Find an estimate, then use a calculator to complete.
4:18 Estimating with subtraction
Estimate answers to subtractions by rounding and complete. State reasonableness of answer. Complete algorithms and estimate to check. Estimate answers and check with a calculator.
Use jump, split and patterns strategies to add and subtract.
Complete addition and subtraction questions and check using inverse operation. Circle incorrect answers to given algorithms and write correct answers.
Complete addition and subtraction questions and check using inverse operation. Write the missing numbers in given algorithms to get correct answers.
Extension page. Complete algorithms, looking for tens. State what the questions could be about e.g. temperatures, heights. Write algorithms for headings e.g. length of fingers on left hand.
4:21 Subtraction from 100s
Explore ways to subtract from hundreds - decomposition, working mentally, part decomposition, equal addends.
4:22 Subtraction from 100s
Practise ways to subtract from hundreds - decomposition, working mentally, part decomposition, equal addends.
4:22C Giving change
Count on, using the jump strategy, to find change.
4:22PT Progress test
4 digit addition without trading. Convert from grams to kilograms, or between millilitres and litres. Practise mental addition.
4:23C Speed tests
Addition and subtraction speed tests. Record results in a table.
4:24 Subtraction, 4 digits, no trading
Practise subtracting 4 digits without trading. Practise mental subtraction.
4:25E Adding up to four numbers
Extension page. Practise adding up to 4 numbers. Find the missing numbers. Replace shapes with numbers and complete. Which 4 numbers add to given total?
Complete subtraction algorithms and problems, with trading.
4:27 Subtracting from thousands
Subtract from thousands using the 1999 + 1 method or a quick trade method.
4:27C Subtraction
Trade 1 thousand for 10 hundreds and complete subtraction algorithms and problems.
4:27PT Progress test
4:AC New Maths Builder Texts
Placeholder
4:ACC Year 4 Cover
Placeholder
4:NA00C Contents: Year 4 Maths Builder text
Contents
The answers to the Year 4 Maths Builder text 4: 4:NA01-4:NA21
The answers to the Year 4 Maths Builder text 4: 4:NA22-4:NA42
The answers to the Year 4 Maths Builder text 4: 4:NA42C-4:NA88C
Use Base 10 materials to trade and complete the addition algorithms and problems. Round off answers to money questions.
Complete algorithms and use jump or split strategy, or inverse operations, to check.
Subtraction with trading, using Base 10 blocks, problem solving.
Extension page. Years and place value. 3 and 4 line addition algorithms. Doubling and near doubling strategy practice. Write 5 two-digit numbers that total under 100. Write 4 two-digit numbers that subtract from 60 leaving zero. Fill in the missing numbers.
Match each question to the position of its answer on the number line.
4:NA09 Inverse operations
Write each question as an algorithm and find the answer.
4:NA22C Addition of more than two numbers
Extension page. Estimate and add multiple line algorithms with trading. Explore changing a calculator display. Estimate how many days you've been alive. Write an algorithm to find exact number.
4:NA24 Subtraction, 3 digits, no trading
Write each question as an algorithm and find the answer.
Round each number to the nearest 10, then find an estimate for the answer.
4:NA26C Addition using Base 10 blocks
Problem solving with money and addition of 1 and 2 digit numbers, using Base 10 blocks.
Extension page. Estimate and add multiple line algorithms with trading. Explore changing a calculator display. Estimate how many days you've been alive. Write an algorithm to find exact number.
Write and solve a problem
4:NA28S Addition up to five numbers
4:NA54C Subtraction, 3 digits, one trade
Complete 3-digit subtractions with one trade and make up number stories. Complete algorithms and check using jump strategy.
Complete addition and subtraction questions and check using inverse operation. Write the missing numbers in given algorithms to get correct answers.
Estimate your answer by rounding to the nearest 100 then completing the algorithm.
4:NA57 Estimating with subtraction
Estimate your answer by rounding to the nearest 100 then complete the algorithm.
Using the jump strategy. Using the split strategy. Using patterns to extend number facts.
Complete addition and subtraction questions and check using inverse operation. Circle incorrect answers to given algorithms and write correct answers.
4:NA59 Subtraction from 100s
4:NA60 Subtraction from 100s
Subtraction from 100s
4:NA61 Calculating change
Using the jump strategy to give change from \$20.
4:NA62 Problems involving money
Count to find the change.
4:NA63 Using 4 digits, no trading
Change from grams to kilograms and grams. Change from millilitres to litres and millilitres.
4:NA63C Using 4 digits, no trading
4:NA64C Adding up to four numbers
Extension page. Practise adding up to 4 numbers. Find the missing numbers. Replace shapes with numbers and complete. Which 4 numbers add to given total?
Complete the subtraction algorithms.
4:NA70 Subtracting from thousands
Subtraction
Addition and subtraction of 5-digit numbers with trading. Rounding to find totals. Match the correct number to make each algorithm true.
4:NA88 Subtraction to 5 digits
Subtraction to 5 digits
Addition and subtraction of 5-digit numbers with trading. Rounding to find totals. Match the correct number to make each algorithm true.
4:S1 Subtracting 1
Subtracting 1 by counting back
4:S2 Subtracting 2
Subtracting 2 by counting back
4:S3 Subtraction facts to 20
Subtraction facts to 20 are practised with a view to quick response using knowledge of addition facts.