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# Mixed Age Year 4 and 5 Addition and Subtraction Step 7 Resource Pack

## Step 7: Mixed Age Year 4 and 5 Addition and Subtraction Step 7 Resource

Mixed Age Year 4 and 5 Addition and Subtraction Step 7 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for this step which covers Year 4 Subtract Two 4-digit Numbers 3 & Year 5 Subtract More than 4-digits for Autumn Block 2.

### What's included in the Pack?

This Mixed Age Year 4 and 5 Addition and Subtraction Step 7 Resource pack includes:

• Mixed Age Year 4 and 5 Addition and Subtraction Step 7 Teaching PowerPoint with examples for both year groups.
• Year 4 Subtract Two 4-digit Numbers 3 Varied Fluency with answers.
• Year 4 Subtract Two 4-digit Numbers 3 Reasoning and Problem Solving with answers.
• Year 5 Subtract More than 4-digits Varied Fluency with answers.
• Year 5 Subtract More than 4-digits Reasoning and Problem Solving with answers.

#### National Curriculum Objectives

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 Subtract Two 4-digit Numbers 3:

Varied Fluency
Developing Questions to support subtracting two 4-digit numbers with at least one exchange. Pictorial support for all questions, including place value grids. No use of zero as a place holder. All calculations presented as subtractions.
Expected Questions to support subtracting two 4-digit numbers with more than one exchange. Calculations presented in column format or using place value grids. Some use of zero as a place holder. Some questions involving the inverse.
Greater Depth Questions to support subtracting two 4-digit numbers with more than one exchange. Calculations presented in a variety of formats including, column, linear, bar model and part whole model. Use of zero as a place holder. Some questions involving the inverse and some multi-step problems.

Reasoning and Problem Solving
Questions 1, 4 and 7 (Reasoning)
Developing Explain the mistake shown when subtracting two 4-digit numbers. Place value grids with no use of zero as a place holder.
Expected Explain the mistake shown when subtracting two 4-digit numbers. Column format with some use of zero as a place holder.
Greater Depth Explain the mistake when subtracting two 4-digit numbers. Part whole model with use of zero as a place holder.

Questions 2, 5 and 8 (Reasoning)
Developing Explain if the statement is correct when subtracting two 4-digit numbers. Place value grids with no use of zero as a place holder.
Expected Explain if the statement is correct when subtracting two 4-digit numbers. Column format with some use of zero as a place holder.
Greater Depth Explain if the statement is correct when subtracting two 4-digit numbers. Bar model with use of zero as a place holder.

Questions 3, 6 and 9 (Problem Solving)
Developing Find two possible ways to complete the calculation when subtracting two 4-digit numbers. Calculations involves more than one exchange with no zero as a place holder.
Expected Find two possible ways to complete the calculation when subtracting two 4-digit numbers. Calculations involves more than one exchange with zero as a place holder.
Greater Depth Find two possible ways to complete the calculation when subtracting two 4-digit numbers. Calculations involves more than one exchange with two zeros as place holders.

Differentiation for Year 5 Subtract More than 4-digits:

Varied Fluency
Developing Questions to support subtracting 5-digit numbers. Includes no exchanging and no use of zero as a place holder. Using visual representation, e.g. place value chart.
Expected Questions to support subtracting 5-digit numbers from 5-digit numbers. Includes exchanging with some use of zero as a place holder. Using column format.
Greater Depth Questions to support subtracting 5-digit from 5-digit numbers. Includes exchanging with the use of zero as a place holder. Using mostly linear presentation which require converting into column format. Includes some examples of unconventional partitioning.

Reasoning and Problem Solving
Questions 1, 4 and 7 (Problem Solving)
Developing Find the missing counters and digits in a subtraction. Includes subtracting 5-digit numbers from 5-digit numbers. No exchanging or use of zero as a placeholder. Includes visual representations.
Expected Find the missing digits in a subtraction. Includes subtracting 5-digit numbers from 5-digit numbers. Includes exchanging and some use of zero as a placeholder. Includes column method.
Greater Depth Find the missing digits in a subtraction. Includes subtracting 5-digit numbers from 5-digit numbers. Includes exchanging and use of zero as a placeholder. Includes use of linear representations for subtractions.

Questions 2, 5 and 8 (Problem Solving)
Developing Complete a subtraction with missing digits using digit cards. Subtracting 5-digit numbers from 5-digit numbers. No exchanging or use of zero as a placeholder. Includes use of visual representations.
Expected Complete a subtraction with missing digits using digit cards. Subtracting 5-digit numbers from 5-digit numbers. Includes exchanging and some use of zero as a placeholder. Includes use of column subtraction.
Greater Depth Complete a subtraction with missing digits using digit cards. Subtracting 5-digit numbers from 5-digit numbers. Includes exchanging and use of zero as a placeholder. Includes use of linear representations of subtractions.

Questions 3, 6 and 9 (Reasoning)
Developing Find and explain the mistake/s in a column subtraction. Includes subtracting 5-digit numbers from 5-digit numbers. No exchanging or use of zero as a placeholder. Includes use of visual representations.
Expected Find and explain the mistake/s in a column subtraction. Includes subtracting 5-digit numbers from 5-digit numbers. Includes exchanging and use of zero as a placeholder. Includes use of column subtractions.
Greater Depth Find and explain the mistake/s in a column subtraction. Includes subtracting 5-digit numbers from 5-digit numbers. Includes exchanging and examples of unconventional partitioning. Some numbers written in words.