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# Mixed Age Year 5 and 6 Addition and Subtraction Step 3 Resource Pack

## Step 3: Mixed Age Year 5 and 6 Addition and Subtraction Step 3

Mixed Age Year 5 and 6 Addition and Subtraction Step 3 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for this step which covers Year 5 Estimate and Approximate & Year 6 Mental Calculations for Autumn Block 2.

### What's included in the Pack?

This Mixed Age Year 5 and 6 Addition and Subtraction Step 3 pack includes:

• Mixed Age Year 5 and 6 Addition and Subtraction Step 3 Teaching PowerPoint with examples for both year groups.
• Estimate and Approximate Year 5 Varied Fluency with answers.
• Estimate and Approximate Year 5 Reasoning and Problem Solving with answers.
• Mental Calculations Year 6 Varied Fluency with answers.
• Mental Calculations Year 6 Reasoning and Problem Solving with answers.

#### National Curriculum Objectives

Mathematics Year 6: (6C6) Perform mental calculations, including with mixed operations and large numbers

Differentiation for year 5 Estimate and Approximate:

Varied Fluency
Developing Questions to support using estimating and rounding to provide approximate answers to calculations. Using up to and including 4-digit numbers, rounding to the nearest 10, 100 or 1,000. Rounding whole numbers only.
Expected Questions to support using estimating and rounding to provide approximate answers to calculations. Using up to and including 5-digit numbers, rounding to the nearest 10, 100, 1,000 or 10,000. Rounding whole numbers; also rounding numbers with 2 decimal places (to the nearest whole) in the context of money.
Greater Depth Questions to support using estimating and rounding to provide approximate answers to calculations. Using up to and including 5-digit numbers, rounding to the nearest 10, 100, 1,000 or 10,000. Rounding whole numbers and numbers with 2 decimal places (to the nearest whole), all within the contexts of money and lengths.

Reasoning and Problem Solving
Questions 1, 4 and 7 (Reasoning)
Developing Use an approximation to explain whether the given answer to a calculation is likely to be correct. Using up to and including 4-digit numbers, rounding to the nearest 10, 100 or 1,000.
Expected Use an approximation to explain whether the given answer to a calculation is likely to be correct. Using up to and including 5-digit numbers, rounding to the nearest 10, 100, 1,000 or 10,000.
Greater Depth Use an approximation to explain whether the given answer to a calculation is likely to be correct. Using up to and including 5-digit numbers, rounding to the nearest 10, 100, 1,000 or 10,000. Numbers are used within the context of lengths.

Questions 2, 5 and 8 (Problem Solving)
Developing Calculate an approximate answer in order to find how many lots of a certain amount are required to cover a total. Using up to and including 4-digit numbers, rounding to the nearest 100 or 1,000. Rounding whole numbers only.
Expected Calculate an approximate answer in order to find how many lots of a certain amount are required to cover a total. Using up to and including 5-digit numbers, rounding to the nearest 1,000. Rounding whole numbers; also rounding numbers with 2 decimal places (to the nearest whole) in the context of money.
Greater Depth Calculate an approximate answer in order to find how many lots of a certain amount are required to cover a total. Using up to and including 5-digit numbers, rounding to the nearest 1,000. Rounding whole numbers and numbers with 2 decimal places (to the nearest whole), all within the contexts of money and lengths.

Questions 3, 6 and 9 (Reasoning)
Developing Prove whether the given approximation in a word problem is correct. Using up to and including 4-digit numbers, rounding to the nearest 10 or 1,000. Rounding whole numbers only.
Expected Prove whether the given approximation in a word problem is correct. Using up to and including 5-digit numbers, rounding to the nearest 10,000. Rounding whole numbers; also rounding numbers with 2 decimal places (to the nearest whole) in the context of money.
Greater Depth Prove whether the given approximation in a word problem is correct. Using up to and including 5-digit numbers, rounding to the nearest 10,000. Rounding whole numbers and numbers with 2 decimal places (to the nearest whole), all within the contexts of money and lengths.

Differentiation for year 6 Mental Calculations:

Varied Fluency
Developing Questions to support using mental strategies to solve calculations involving four operations with up to 4-digit numbers. Useful facts given within each question. Numerals only.
Expected Questions to support using mental strategies to solve calculations involving four operations with up to 4-digit numbers, including some decimal numbers in context. Numerals only.
Greater Depth Questions to support using mental strategies to solve calculations involving four operations with up to 4-digit numbers, including decimal numbers in context. Includes multiple operations within some number sentences. Numerals and words.

Reasoning and Problem Solving
Questions 1, 4 and 7 (Problem Solving)
Developing Find a way to solve the number sentence using a mental calculation. Includes up to 4-digit numbers. Useful facts given within each question. Numerals only.
Expected Find 2 different ways to solve the number sentences using mental calculations. Includes four operations with up to 4-digit numbers. Numerals only.
Greater Depth Find 2 different ways to solve the number sentences using mental calculations. Includes four operations with up to 4-digit numbers and mixed operations in each number sentence. Numerals and words.

Questions 2, 5 and 8 (Reasoning)
Developing Explain if the correct mental calculation has been used to solve the number sentence. Includes four operations with up to 4-digit numbers. Useful facts given within each question. Numerals only.
Expected Explain who has made the correct mental calculations to solve the number sentence. Includes four operations with up to 4-digit numbers. Numerals only.
Greater Depth Explain if the correct mental calculation has been used to solve the word problem. Includes four operations with up to 4-digit numbers and decimal numbers in context. Mixed operations in each number sentence. Numerals and words.

Questions 3, 6 and 9 (Reasoning)
Developing Find the odd one out using mental calculations to estimate the answer to number sentences. Includes four operations with up to 4-digit numbers. Useful facts given within each question.
Expected Find the odd one out using mental calculations to estimate the answer to number sentences. Includes four operations with up to 4-digit numbers and decimal numbers in context.
Greater Depth Find the odd one out using mental calculations to estimate the answer to number sentences. Includes four operations with up to 4-digit numbers and decimal numbers in context. Mixed operations in each number sentence.