Using number bonds within 20 for subtraction

Using number bonds within 20 for subtraction

Lesson details

Key learning points

  1. In this lesson, we will use our knowledge of number bonds within ten to begin deriving number bonds within 20.

Licence

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4 Questions

Q1.
My parts are 2 and 5. What is my whole?
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25
3
6
Correct answer: 7
Q2.
My parts are 3 and 6. What is my whole?
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10
7
8
Correct answer: 9
Q3.
What is 16 + 3?
17
18
Correct answer: 19
20
Q4.
Five plus thirteen is equal to _________
Correct answer: Eighteen
Nineteen
Seventeen
Twenty

4 Questions

Q1.
My whole is 6. One of my parts is 3. What is the other part?
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2
Correct answer: 3
4
5
Q2.
My whole is 5. One of my parts is 2, What is the other part?
An image in a quiz
2
Correct answer: 3
4
5
Q3.
What is 17 - 5?
11
Correct answer: 12
13
14
Q4.
Fifteen subtract four is equal to _______.
Correct answer: eleven
ten
thirteen
twelve

Lesson appears in

UnitMaths / Addition and subtraction of 2-digit numbers