Year 1
Year 1

To add two-digit numbers and ones

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Lesson details

Key learning points

  1. In this lesson, we will recap what a two digit number is and then use this information to create number sentences by adding on ones.

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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.

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3 Questions

Q1.
Which two numbers are equal to 20?
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10 + 11
Correct answer: 12 + 8
17 + 4
5 + 14
Q2.
Is this part-whole model correct? Select true or false.
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Correct answer: False
True
Q3.
Which of these shows a total of 15 coins? Use these circles to help you pick the two numbers.
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11 gold and 3 silver
Correct answer: 5 gold and 10 silver
7 gold and 9 silver
8 gold and 4 silver

4 Questions

Q1.
What's the missing number?
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2
Correct answer: 3
4
Q2.
What's the missing number?
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Correct answer: 3
4
5
Q3.
What's the whole?
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37
Correct answer: 38
39
Q4.
Whats the whole?
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25
26
27
Correct answer: 28