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Using Brackets on a Calculator

In this worksheet, students use the brackets keys on their calculator to work out the given calculations.

'Using Brackets on a Calculator' worksheet

Key stage: KS 3

Curriculum topic: Number

Curriculum subtopic: Use Calculators/Technology for Accuracy

Difficulty level:

Worksheet Overview

QUESTION 1 of 10

Find the brackets keys on your calculator.

There should be one to open brackets ( ....

.....and one to close brackets )

To work out the following, simply type it carefully on to your calculator screen.

520 - (577 + 581) =

−638

Using brackets on the calculator, work out

547 - (981 + 154) =

Using brackets on the calculator, work out

754 - (543 + 826) =

Using brackets on the calculator, work out

249 - (614 + 917) =

Using brackets on the calculator, work out

520 - (577 + 581) =

Using brackets on the calculator, work out

23 − (95.75 − 33.18) =

Using brackets on the calculator, work out

92.46 − (23.91 − 90.32) =

Using brackets on the calculator, work out

65.37 − (63.43 − 83.13) =

Using brackets on the calculator, work out

39.64 − (50.11 − 13.45) =

Using brackets on the calculator, work out

−(582²) =

Using brackets on the calculator, work out

(−582²) =

ANSWERS

Question 1

Using brackets on the calculator, work out

547 - (981 + 154) =

CORRECT ANSWER

-588

ANSWERS

Question 2

Using brackets on the calculator, work out

754 - (543 + 826) =

CORRECT ANSWER

-615

ANSWERS

Question 3

Using brackets on the calculator, work out

249 - (614 + 917) =

CORRECT ANSWER

-1282

ANSWERS

Question 4

Using brackets on the calculator, work out

520 - (577 + 581) =

CORRECT ANSWER

-638

ANSWERS

Question 5

Using brackets on the calculator, work out

23 − (95.75 − 33.18) =

CORRECT ANSWER

-39.57

ANSWERS

Question 6

Using brackets on the calculator, work out

92.46 − (23.91 − 90.32) =

CORRECT ANSWER

158.87

ANSWERS

Question 7

Using brackets on the calculator, work out

65.37 − (63.43 − 83.13) =

CORRECT ANSWER

85.07

ANSWERS

Question 8

Using brackets on the calculator, work out

39.64 − (50.11 − 13.45) =

CORRECT ANSWER

2.98

ANSWERS

Question 9

Using brackets on the calculator, work out

−(582²) =

CORRECT ANSWER

-338724

ANSWERS

Question 10

Using brackets on the calculator, work out

(−582²) =

CORRECT ANSWER

338724

---- OR ----

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