# Mixed Age Year 2 and 3 Addition and Subtraction Step 9 Resource Pack

## Step 9: Mixed Age Year 2 and 3 Addition and Subtraction Step 9

Mixed Age Year 2 and 3 Addition and Subtraction Step 9 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for this step which covers Year 2 Add 2-digit Numbers 2 & Year 3 Add Two 3-digit Numbers 2 for Autumn Block 2.

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**What's included in the Pack?**

This Mixed Age Year 2 and 3 Addition and Subtraction Step 9 pack includes:

- Mixed Age Year 2 and 3 Addition and Subtraction Step 9 Teaching PowerPoint with examples for both year groups .
- Year 2 Add 2-digit Numbers 2 Varied Fluency with answers.
- Year 2 Add 2-digit Numbers 2 Numbers Reasoning and Problem Solving with answers.
- Year 3 Add Two 3-digit Numbers 2 Varied Fluency with answers.
- Year 3 Add Two 3-digit Numbers 2 Reasoning and Problem Solving with answers.

**National Curriculum Objectives**

Mathematics Year 2: (2C2b) Add and subtract numbers using concrete objects and pictorial representations, including: two two-digit numbers

Mathematics Year 2: (2C4) Solve problems with addition and subtraction using concrete objects and pictorial representations, including those involving numbers, quantities and measures applying their increasing knowledge of mental and written methods

Mathematics Year 3: (3C2) Add and subtract numbers with up to three digits, using formal written methods of columnar addition and subtraction

Mathematics Year 3: (3C4) Solve problems, including missing number problems, using number facts, place value, and more complex addition and subtraction

**Differentiation for Year 2 Add 2-digit Numbers 2:**

**Varied Fluency**

**Developing **Questions to support adding a 1-digit number to a 2-digit number when crossing a ten.

**Expected **Questions to support adding a 2-digit number to a 2-digit number when crossing a ten.

**Greater Depth **Questions to support adding a 2-digit number to a 3-digit number when crossing a ten.

**Reasoning and Problem Solving**

**Questions 1, 4 and 7 (Problem Solving)**

**Developing **Use three digit cards to make 2-digit numbers add 1-digit numbers with a total less than 50.

**Expected **Use four digit cards to make 2-digit numbers add 2-digit numbers with a total less than 100.

**Greater Depth **Use four digit cards to make 3-digit numbers add 2-digit numbers with a total less than 200.

**Questions 2, 5 and 8 (Problem Solving)
**

**Developing**Choose three different pairs of items (1-digits and 2-digits) and find the total.

**Expected**Choose four different pairs of items (2-digits and 2-digits) and find the total.

**Greater Depth**Choose three different items (2-digits) and find a total which is more than and less than a 2-digit number.

**Questions 3, 6 and 9 (Reasoning)**

**Developing **Explain if the total of a 2-digit number add a 1-digit number is correct. Numbers only.

**Expected **Explain if the total of a 2-digit number add a 2-digit number is correct. Words and numbers.

**Greater Depth **Explain if the total of a 3-digit number add a 2-digit number is correct. Words and numbers.

**Differentiation for Year 3 Add Two 3-digit Numbers 2:**

**Varied Fluency**

**Developing **Questions to support adding two 3-digit numbers with one exchange.

**Expected **Questions to support adding two 3-digit numbers with two exchanges.

**Greater Depth **Questions to support adding two 3-digit or 4-digit numbers with two or more exchanges.

**Reasoning and Problem Solving**

**Questions 1, 4 and 7 (Problem Solving)**

**Developing **Identify the missing digits in a 3-digit addition calculation where one exchange has taken place.

**Expected **Identify the missing digits in a 3-digit addition calculation where two exchanges have taken place.

**Greater Depth **Identify the missing digits in a 4-digit addition calculation where two or more exchanges have taken place.

**Questions 2, 5 and 8 (Problem Solving)
**

**Developing**Create a 3-digit addition calculation that fits within moderate parameters.

**Expected**Create a 3-digit addition calculation that fits within moderately difficult parameters.

**Greater Depth**Create a 4-digit addition calculation that fits within more complex parameters.

**Questions 3, 6 and 9 (Reasoning)**

**Developing **Compare two 3-digit addition calculations presented in two different formats and where one exchange should have taken place. Identify which is incorrect and give an explanation for the answer.

**Expected **Compare two 3-digit addition calculations presented in two different formats and where two exchanges should have taken place. Identify which is incorrect and give an explanation for the answer.

**Greater Depth **Compare two 4-digit calculations presented in two different formats and where two or more exchanges should have taken place. Identify which is incorrect and give an explanation for the answer.

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## 5 Comments

Sorry to be a pain but this says Step 9 and when I click on the step 8 folder from the main menu it says the webpage is missing.

Thanks

Corina StannardOctober 16, 2018

Hi, I have now fixed the download for Step 8 if you would like to try again. Sian 🙂

Classroom SecretsOctober 16, 2018

Thank you 🙂

Corina StannardOctober 16, 2018

Is there a step 8? Also the step 7 presentation says its step 10.

Thanks

Corina StannardOctober 15, 2018

Hi Corina, I’ve edited the Teaching PPT for you. It should now say Step 7. Here is step 8 . Thanks, Emily

Classroom SecretsOctober 15, 2018