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Using number bonds within 20 for addition

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Using number bonds within 20 for addition

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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.
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4 Questions

Q1.
My parts are 2 and 5. What is my whole?
An image in a quiz
25
3
6
Correct answer: 7
Q2.
My parts are 3 and 6. What is my whole?
An image in a quiz
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

Lesson appears in

UnitMaths / Addition and subtraction of 2-digit numbers