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Lesson details

Key learning points

  1. In this lesson, we will be looking at priority of operation in different calculations. We will use function machines to explore the order of operations.

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5 Questions

Q1.
2 + 3 x 4 =
10
11
Correct answer: 14
20
Q2.
(2 + 7) x 2 =
10
11
16
Correct answer: 18
Q3.
2 + 3 x 5 - 4 =
Correct answer: 13
21
5
6
Q4.
Add brackets to make the following calculation true: 2+3x5=25
Correct answer: (2+3)x5 = 25
(2+3x5) = 25
2+(3x5) = 25
Q5.
Add brackets to make the following calculation true: 2x3+5-2 = 14
(2x3)+5-2=14
(2x3+5)-2=14
Correct answer: 2x(3+5)-2=14
2x3+(5-2)=14

Lesson appears in

UnitMaths / Order of operations