# Writing calculations

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## Lesson details

### Key learning points

1. In this lesson, we will be looking at writing calculations from function machines.

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## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

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

## Exit quiz

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### 5 Questions

Q1.
Which of the following calculations matches the statement: I start with 12 then I add 5 and then multiply by 5?
Correct answer: (12 + 5) x 5
12 + (5 x 5)
12 + 5 x 5
Q2.
Which of the following calculations matches the statement: I start with 12 then I add 5 and then multiply by 5 and take away 2?
Correct answer: (12 + 5) x 5 - 2
12 + (5 x 5) - 2
12 + 5 x 5 - 2
Q3.
Which of the following calculations matches the statement: I start with 12, I first multiply by 5 and then take away 2?
12 x (5 - 2)
12 - 2 x 5
Correct answer: 12 x 5 - 2
Q4.
Answer the following: 18 x 3 - 5 x 2