﻿ Checking Strategies Year 4 Addition and Subtraction Resource Pack | Classroom Secrets

# Checking Strategies Year 4 Addition and Subtraction Resource Pack

## Step 10: Checking Strategies Year 4 Resources

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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### What's included in the pack?

This pack includes:

• Checking Strategies Year 4 Teaching PowerPoint.
• Checking Strategies Year 4 Varied Fluency with answers.
• Checking Strategies Year 4 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 for Year 4 Checking Strategies:

Varied Fluency
Developing Questions to support using inverse operations to check addition and subtraction of two 3-digit numbers (no exchanges).
Expected Questions to support using inverse operations to check addition and subtraction of up to two 4-digit numbers (with exchanges).
Greater Depth Questions to support using inverse operations to check addition and subtraction of up to 4-digit numbers from 5-digit numbers (with exchanges).

Reasoning and Problem Solving
Questions 1, 4 and 7 (Reasoning)
Developing Check the accuracy of a bar model with related addition and subtraction of 3-digit numbers. Explain any errors found.
Expected Check the accuracy of a bar model with related addition and subtraction of 4-digit numbers. Explain any errors found.
Greater Depth Check the accuracy of a bar model with related addition and subtraction of up to 5-digit numbers. Explain any errors found.

Questions 2, 5 and 8 (Reasoning)
Developing Find 3 related numbers by addition and subtraction from a choice of 4. Includes 3-digit numbers.
Expected Find 3 related numbers by addition and subtraction from a choice of 4. Includes 4-digit numbers.
Greater Depth Find 3 related numbers by addition and subtraction from a choice of 4. Includes up to 5-digit numbers.

Questions 3, 6 and 9 (Problem Solving)
Developing Use 3 digit cards to create an addition or subtraction to achieve a given sum.
Expected Use 4 digit cards to create an addition or subtraction to achieve a given sum.
Greater Depth Use 5 digit cards to create an addition or subtraction to achieve a given sum.

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