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# Mixed Age Year 4 and 5 Addition and Subtraction Step 8 Resource Pack

## Step 8: Mixed Age Year 4 and 5 Addition and Subtraction Step 8 Resource

Mixed Age Year 4 and 5 Addition and Subtraction Step 8 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for this step which covers Year 4 Efficient Subtraction for Autumn Block 2.

### What's included in the Pack?

This Mixed Age Year 4 and 5 Addition and Subtraction Step 8 Resource pack includes:

• Mixed Age Year 4 and 5 Addition and Subtraction Step 8 Teaching PowerPoint with examples for both year groups.
• Year 4 Efficient Subtraction Varied Fluency with answers.
• Year 4 Efficient Subtraction Reasoning and Problem Solving with answers.

#### National Curriculum Objectives

Mathematics Year 4: (4C3) Estimate and use inverse operations to check answers to a calculation

Differentiation:

Varied Fluency
Developing Questions to support comparing two methods of subtraction. Two 3-digit numbers with no exchanging.
Expected Questions to support comparing methods of subtraction. Includes two 4-digit numbers, with exchanges.
Greater Depth Questions to support comparing methods of subtraction. Includes 3-digit numbers from a 4-digit number or two 4-digit numbers, with exchanges. Includes some multi-step subtractions.

Reasoning and Problem Solving
Questions 1, 4 and 7 (Problem Solving)
Developing Check a method of subtraction and create a further calculation for the method. Involves subtracting two 3-digit numbers (no exchanges).
Expected Check a method of subtraction and identify how it could be done more efficiently. Involves subtracting two 4-digit numbers (with exchanges).
Greater Depth Check a method of subtraction and identify how it could be done more efficiently. Involves subtracting 3-digit numbers from a 4-digit number (with exchanges).

Questions 2, 5 and 8 (Reasoning)
Developing Explain whether a suggested method is efficient. Includes subtracting two 3-digit numbers, with no exchanging.
Expected Explain whether a suggested method is efficient. Includes subtracting two 4-digit numbers, with exchanges.
Greater Depth Explain whether a suggested method is efficient. Includes subtracting 3-digit numbers from a 4-digit number and two 4-digit numbers, with exchanges and multi-step subtractions.

Questions 3, 6 and 9 (Reasoning)
Developing Compare two methods of subtracting two 3-digit numbers (no exchanges).
Expected Compare two methods of subtracting two 4-digit numbers (with exchanges).
Greater Depth Compare two methods of subtracting a 3-digit number from a 4-digit number (with exchanges).