Year 7 Integer Operations

Addition and Subtraction

100

-39 + 72

33

200

92 - 34 - (-45)

103

300

37 - 74 + -94 +34

-97

400

-254 + 137 - (-456)

339

500

-4353 +234 - 4536 +1382

-7273

Multiplication and Division

100

32 x 84

2688

200

768 ÷ 32

24

300

-588 ÷ 12

-49

400

-71 x 21 x (-2)

2982

500

512 ÷ 16 x -31

-992

Order and Compare Integers

100

-3249 > -3243

True or False?

False

200

Arrange the following numbers in ascending order:

-24, 6, 12, -23

-24, -23, 6, 12

300

Insert an inequality sign, < or >, between the two given numbers to make the statement true.

 846871 __ 8468171 

<

400

Complete the number pattern: 

-8, -1, -7, __,__ , __, __, 2

0, -6, 1, -5

Pattern +7 then -6

500

Identify which is the largest and smallest number: 

 8561, 88, -48572, 8567, 0, -5857

Largest number: 8567

Smallest number: -48572

Mixed Operation

100

-334 + 52 × 8

-2256

200

8 - (-4) × 3

20

300

5×(7−3)−4

-24

400

42 ÷ (-4 + 11) - 16

-10

500

(-103) + 6548 ÷ (-4) - 8 x 41

-2068

Challenge

100

It was 10°C in the morning, but dropped 15°C. What's the new temperature?"

-5°C

200

 A business made a profit of $120 one week but lost $15 each week for the next three weeks. What is the total now?

$75

300

A caver is 84 m below ground level. They climb 27 m, then descend 31 m before taking a break. Detemine the depth of the caver below ground level after they have taken a break.

88m below ground level

400

Joe lost 10 red marbles at the beginning, but he has 8 black marbles in hand. However, his friend Jack gave 2 lots of 7 red marbles to him, so Joe gave back another half of his black marbles to Jack. How many marbles in total does Joe have at the end?

8 marbles in total