Adding and subtracting multiples of ten

Adding and subtracting multiples of ten

Lesson details

Key learning points

  1. In this lesson, we will use our knowledge of number bonds within ten to begin deriving facts when adding and subtracting multiples of ten 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.

Loading...

4 Questions

Q1.
What known fact can help us work out 68 - 5?
6 - 5
6 + 5
Correct answer: 8 - 5
8 + 5
Q2.
What known fact can help us work out 45 - 3?
3 - 5
3 + 5
Correct answer: 5 - 3
5 + 3
Q3.
What is 37 - 5?
31
Correct answer: 32
33
35
Q4.
What is 32 + 6?
36
37
Correct answer: 38
39

4 Questions

Q1.
If I know 6 - 5 = 1. Then I know 60 - 50 = ____
Correct answer: 10
100
20
30
Q2.
If I know 7 - 3 = 4. Then I know 70 - 30 = ____
20
30
Correct answer: 40
50
Q3.
What is 30 + 50?
100
70
Correct answer: 80
90
Q4.
Sixty subtract forty is equal to....
Fifty
Forty
Thirty
Correct answer: Twenty

Lesson appears in

UnitMaths / Addition and subtraction of 2-digit numbers