Lesson details

Key learning points

  1. In this lesson, we will learn how to add near doubles.

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.

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3 Questions

Q1.
What is the nearest multiple of 10 to 49?
10
40
Correct answer: 50
Q2.
Solve the following equation using the round and adjust strategy: 74-29=?
44
Correct answer: 45
54
Q3.
Solve the following equation by using the round and adjust strategy: 62-19=?
42
Correct answer: 43
44

3 Questions

Q1.
What is double 7?
Correct answer: 14
15
7
Q2.
What near doubles can help you solve the following equation: 48+50=?
40+40
50+40
Correct answer: 50+50
Q3.
Solve the following equation using the near doubles strategy: 20+22=?
40
Correct answer: 42
44

Lesson appears in

UnitMaths / Addition and subtraction of 2-digit numbers (regrouping and adjusting)