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# Mixed Age Year 2 and 3 Addition and Subtraction Step 4 Resource Pack

## Step 4: Mixed Age Year 2 and 3 Addition and Subtraction Step 4

Mixed Age Year 2 and 3 Addition and Subtraction Step 4 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for this step which covers Year 2 Add and Subtract 1s & Year 3 3-Digit Numbers and Ones for Autumn Block 2.

### What's included in the Pack?

This Mixed Age Year 2 and 3 Addition and Subtraction Step 4 pack includes:

• Mixed Age Year 2 and 3 Addition and Subtraction Step 4 Teaching PowerPoint with examples for both year groups.
• Year 2 Add and Subtract 1s Reasoning and Problem Solving with answers.
• Year 3 3-Digit Numbers and Ones Varied Fluency with answers.
• Year 3 3-Digit Numbers and Ones Reasoning and Problem Solving with answers.

#### National Curriculum Objectives

Mathematics Year 2: (2C2a) Add and subtract numbers mentally, including: a two-digit number and ones

Mathematics Year 3: (3C1) Add and subtract numbers mentally, including three-digit number and ones

Differentiation for Year 2 Add and Subtract 1s:

Varied Fluency
Developing Questions to support adding and subtracting ones from numbers less than 50, using pictorial support including number lines.​
Expected Questions to support adding and subtracting ones from any 2-digit number, using numerals and limited pictorial support.​
Greater Depth Questions to support adding and subtracting ones from any 2-digit number, using numerals, words and no pictorial support.​

Reasoning and Problem Solving
Questions 1, 4 and 7 (Reasoning)
Developing Identify and explain common errors when adding and subtracting 1’s (numbers less than 50) with pictorial support.
Expected Identify and explain common errors when adding and subtracting 1’s (any 2-digit number) with limited pictorial support.
Greater Depth Identify and explain common errors when adding and subtracting 1’s (any 2-digit number), no pictorial support.

Questions 2, 5 and 8 (Reasoning)
Developing Identify and explain the odd one out when adding and subtracting 1’s (numbers less than 50) with pictorial support.
Expected Identify and explain the odd one out when adding and subtracting 1’s (any 2-digit number) with limited pictorial support.
Greater Depth Identify and explain the odd one out when adding and subtracting 1’s (any 2-digit number), no pictorial support.

Questions 3, 6 and 9 (Problem Solving)
Developing Choose the correct symbol to make the calculation correct (numbers less than 50) with pictorial support.
Expected Choose the correct symbol to make the calculation correct (any 2-digit number) with limited pictorial support.
Greater Depth Choose the correct symbol to make the calculation correct (any 2-digit number), no pictorial support.

Differentiation Year 3 3-Digit Numbers and Ones:

Varied Fluency
Developing Questions to support adding and subtracting 1-digit numbers from a 3-digit number using Base 10. Numerals only.
Expected Questions to support adding and subtracting 1-digit numbers from a 3-digit number using some place value counters. Some numerals and words.
Greater Depth Questions to support adding and subtracting 1-digit numbers from a 3-digit number using numerals and words with no pictorial support.

Reasoning and Problem Solving
Questions 1, 4 and 7 (Problem Solving)
Developing One-step problem adding or subtracting ones from a 3-digit numbers using Base 10.
Expected One-step problem adding or subtracting ones from a 3-digit numbers using place value counters.
Greater Depth One-step problem adding or subtracting ones from a 3-digit numbers. Statement written as words and unconventional partitioning.

Questions 2, 5 and 8 (Problem Solving)
Developing Investigate one 1-digit and 3-digit addition and subtraction number sentence (with no exchanges) that can be created using the place value cards. Cards presented using Base 10.
Expected Investigate one 1-digit and 3-digit addition and subtraction number sentence (with no exchanges) that can be created using the place value cards in a place value chart. Cards presented using place value counters.
Greater Depth Investigate all the 1-digit and 3-digit addition and subtraction number sentences (with no exchanges) that can be created using the digit cards. Cards presented with numbers only.

Questions 3, 6 and 9 (Reasoning)
Developing Explain whether the statement has been written correctly. Statement written using Base 10 and numbers.
Expected Explain whether the statement has been written correctly. Statement written using place value counters and words.
Greater Depth Explain whether the statement has been written correctly. Statement written using words only and unconventional partitioning.