﻿ Mixed Age Year 1 and 2 Addition and Subtraction Step 13 Resource Pack | Classroom Secrets

# Mixed Age Year 1 and 2 Addition and Subtraction Step 13 Resource Pack

## Step 13: Mixed Age Year 1 and 2 Addition and Subtraction Step 13

Mixed Age Year 1 and 2 Addition and Subtraction Step 13 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for this step which covers Year 1 Finding the Difference & Year 2 Subtract with 2-Digits 2 for Autumn Block 2.

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### What's included in the Pack?

This Mixed Age Year 1 and 2 Addition and Subtraction Step 13 pack includes:

• Mixed Age Year 1 and 2 Addition and Subtraction Step 13 Teaching PowerPoint with examples for both year groups .
• Year 1 Finding the Difference Varied Fluency with answers.
• Year 1 Finding the Difference Reasoning and Problem Solving with answers.
• Year 2 Subtract with 2-Digits 2 Varied Fluency with answers.
• Year 2 Subtract with 2-Digits 2 Reasoning and Problem Solving with answers.

#### National Curriculum Objectives

Mathematics Year 1: (1C2a) Add and subtract one-digit and two-digit numbers to 20, including zero

Differentiation for Year 1 Finding the Difference:

Varied Fluency
Developing Finding the difference between two 1-digit numbers (no digit greater than 5).
Expected Finding the difference between two 1-digit numbers or a 2-digit and 1-digit number (no digit greater than 10).
Greater Depth Finding the difference between a two-digit and 1-digit number or two 2-digit numbers (no digit greater than 20).

Reasoning and Problem Solving
Questions 1, 4 and 7 (Problem Solving)
Developing Finding the difference between two 1-digit numbers (no digit greater than 5).
Expected Finding the difference between two 1-digit numbers or a 2-digit and 1-digit number (no digit greater than 10).
Greater Depth Finding the difference between a 2-digit and 1-digit number or two 2-digit numbers (no digit greater than 20).

Questions 2, 5 and 8 (Problem Solving)
Developing Creating subtraction calculations, focusing on finding the difference between two 1-digit numbers (no digit greater than 5).
Expected Creating subtraction calculations, focusing on finding the difference between two 1-digit numbers or a 2-digit and 1-digit number (no digit greater than 10).
Greater Depth Finding the difference between a 2-digit and 1-digit number or two 2-digit numbers (no digit greater than 20).

Questions 3, 6 and 9 (Reasoning)
Developing Finding the difference between two 1-digit numbers (no digit greater than 5).
Expected Finding the difference between two 1-digit numbers or a 2-digit and 1-digit number (no digit greater than 10).
Greater Depth Finding the difference between a 2-digit and 1-digit number or two 2-digit numbers (no digit greater than 20).

Differentiation for Year 2 Subtract with 2-Digits 2:

Varied Fluency
Developing Questions to support subtracting 2-digit numbers from 2-digit numbers. No exchanging.
Expected Questions to support subtracting 2-digit numbers from 2-digit numbers. Exchanging tens for ones.
Greater Depth Questions to support subtracting 2-digit numbers from 3-digit numbers. Exchanging tens for ones.

Reasoning and Problem Solving
Questions 1, 4 and 7 (Problem Solving)
Developing Find the missing value by subtracting two 2-digit numbers. No exchanging.
Expected Find the missing value by subtracting two 2-digit numbers. Including exchanging of tens.
Greater Depth Find the missing value by subtracting a 2-digit number from a 3-digit number. Including exchanging of tens.

Questions 2, 5 and 8 (Problem Solving)
Developing Use three digit cards to make 2-digit numbers subtract 2-digit numbers. No exchanging.
Expected Use three digit cards to make 2-digit numbers subtract 2-digit numbers. Including exchanging of tens.
Greater Depth Use three digit cards to make 3-digit numbers subtract 2-digit numbers. Including exchanging of tens.

Questions 3, 6 and 9 (Reasoning)
Developing Explain the mistake when using a number line to subtract 2-digit numbers. No exchanging.
Expected Explain the mistake when using a number line to subtract 2-digit numbers. Including exchanging of tens.
Greater Depth Explain the mistake when using a number line to subtract a 2-digit number from a 3-digit number. Including exchanging of tens.