Checking Strategies Year 4 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for Autumn Block 2.
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This pack includes:
Mathematics Year 4: (4C2) Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate
Mathematics Year 4: (4C3) Estimate and use inverse operations to check answers to a calculation
Mathematics Year 4: (4C4) Solve addition and subtraction two-step problems in contexts, deciding which operations and methods to use and why
Differentiation for Year 4 Checking Strategies:
Varied Fluency
Developing Questions to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with no exchange. Most numbers used are multiples of ten.
Expected Questions to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with exchanges. Includes numerals only.
Greater Depth Questions to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with exchanges and where inefficient methods or representations have been used. Includes numerals and words.
Reasoning and Problem Solving
Questions 1, 4 and 7 (Reasoning)
Developing Find the values to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with no exchange. Most numbers used are multiples of ten.
Expected Find the values to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with exchanges. Numerals only.
Greater Depth Find the values to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with exchanges and where inefficient methods or representations have been used. Numerals and words.
Questions 2, 5 and 8 (Reasoning)
Developing Explain whether calculations are correct to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with no exchange. Most numbers used are multiples of ten.
Expected Explain whether calculations are correct to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with exchanges. Numerals only.
Greater Depth Explain whether calculations are correct to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with exchanges and where inefficient methods or representations have been used. Numerals and words.
Questions 3, 6 and 9 (Problem Solving)
Developing Prove or disprove a statement to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with no exchange. Most numbers used are multiples of ten.
Expected Prove or disprove a statement to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with exchanges. Numerals only.
Greater Depth Prove or disprove a statement to support using inverse operations to check addition and subtraction of up to two 4-digit numbers with exchanges and where inefficient methods or representations have been used. Numerals and words.
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