Three different bundles of addition and subtraction lessons combined to provide a total of 40 lessons.

The first sequence of lessons includes:

Lesson 1 - Apply number bonds within 10

Lesson 2 - Add and subtract 1s

Lesson 3 - Add and subtract 10s

Lesson 4 - Add and subtract 100s

Lesson 5 - Spot the pattern

Lesson 6 - Add 1s across a 10

Lesson 7 - Add 10s across a 100

Lesson 8 - Subtract 1s across a 10

Lesson 9 - Subtract 10s across a 100

Lesson 10 - Make connections

Lesson 11 - Add two numbers (no exchange)

Lesson 12 - Subtract two numbers (no exchange)

Lesson 13 - Add two numbers (across a 10)

Lesson 14 - Add two numbers (across a 100)

Lesson 15 - Subtract two numbers (across a 10)

Lesson 16 - Subtract two numbers (across a 100)

Lesson 17 - Add 2-digit and 3-digit numbers

Lesson 18 - Subtract a 2-digit number from a 3-digit number

Lesson 19 - Complements to 100

Lesson 20 - Estimate Answers

Lesson 21 - Inverse Operations

Lesson 22 - Make Decisions

The second sequence of lessons includes:

Lesson 1 - Add and subtract 1s, 10s, 100s and 1000s

Lesson 2 - Add up to two 4-digit numbers - No Exchange

Lesson 3 - Add two 4-digit numbers - One Exchange

Lesson 4 - Add two 4-digit numbers - More than One Exchange

Lesson 5 - Subtract two 4-digit numbers - No Exchange

Lesson 6 - Subtract two 4-digit numbers - One Exchange

Lesson 7 - Subtract two 4-digit numbers - More than One Exchange

Lesson 8 - Efficient subtraction

Lesson 9 - Estimate answers

Lesson 10 - Checking strategies

The third sequence of lessons includes:

Lesson 1 - Mental strategies

Lesson 2 - Add whole numbers with more than four digits

Lesson 3 - Subtract whole numbers with more than four digits

Lesson 4 - Round to check answers

Lesson 5 - Inverse operations

Lesson 6 - Multi-step addition and subtraction problems

Lesson 7 - Compare calculations

Lesson 8 - Find missing numbers

All lessons include:

• A lesson PowerPoint with starter, vocabulary, modelling (with teacher notes) and guided practice
• Lesson plan
• Worksheet with answer sheet
• Scaffolded worksheet with answer sheet
• Modified worksheet for those who need additional changes to access the learning with answers
• Challenge tasks
• Support strips that can be stuck in books
• Resources are in UK and US friendly English spelling or UK and US versions

Everything is included that could be needed to run the lesson successfully, with each resource carefully considered in ensuring accessibility for all as well as ensuring there are plenty of opportunities for challenge to provide depth of understanding.