Year 2

Year 2

# Adding and subtracting two 2-digit numbers

## Switch to our new maths teaching resources

Slide decks, worksheets, quizzes and lesson planning guidance designed for your classroom.

## Lesson details

### Key learning points

1. In this lesson, we will apply our knowledge of number bonds within ten to derive 2-digit addition and subtraction number facts within 100.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

Share with pupils

## Worksheet

Share with pupils

## Starter quiz

Share with pupils

### 5 Questions

Q1.
If 7 - 2 = 5 then 73 - 20 = ______
5
50
57
Q2.
Which TWO number facts help us to solve 75 - 21?
Correct answer: 5 - 1 = 4
7 - 1 = 6
Correct answer: 7 - 2 = 5
7 + 2 = 9
Q3.
Which TWO number facts help us to solve 37 - 11?
Correct answer: 3 - 1 = 2
3 + 1 = 4
Correct answer: 7 - 1 = 6
7 - 3 = 4
Q4.
What is 56 - 31?
27
87
96
Q5.
What is 72 - 21?
50
53
93

## Exit quiz

Share with pupils

### 4 Questions

Q1.
What number fact will help us to solve 51 + 43?
1 + 4 = 5
10 + 40 = 50
5 + 3 = 8
Correct answer: 5 + 4 = 9
Q2.
What number fact will help us to solve 69 - 25?
Correct answer: 6 - 2 = 4
6 - 5 = 1
6 + 2 = 8
9 - 2 = 7
Q3.
What is 45 + 13?
32
55