Grade 7: Integers & Rational Numbers Revision

Subtracting Integers

100

Subtract the integers

7 - 10

-3

200

Subtract the integers

-85 - 47

-132

300

Subtract the integers

246- (-34)

280

400

Subtract the integers

-9 - 4 - 4

-17

500

Subtract the integers

(-56) - 72 + 416

288

Adding Integers

100

Add the integers 

6+(-4)

 2

200

Add the integers

-63+22

-41

300

Add the integers

-55 + (-36)

-91

SWITCHAROO

400

Add the integers

-12 + (-4) + (-3)

-19

500

Add the integers

-20 + 3 + (-40) + 9

-48

DOUBLE

Multiplying Integers

100

Multiply the integers

-3(2)

 -6

200

Multiply the integers

3(-6) 

-18

300

-7(-7)(-1)

 -49

SWITCHAROO

400

-7(-6)(0.5)

21

500

Multiply the integers

 3(-7)(-2)

42

Dividing Integers

100

Divide the integers

-15 ÷ 3

 -5

200

Divide the integers

-28 ÷ 7

-4

300

Divide the integers

-48 ÷ -6

8

400

Divide the integers

-56 ÷ -7

8

500

Divide the integers

-20 ÷ 20

-1

True or False

100

-6 - 56 = 50

False  -62

200

-8 - (-6)= -12

False   -2

300

-9 + (-7)= 2

FALSE

400

-9(7)(-3)= 180

False 189

DOUBLE

500

15 - (-5) + 9 - 80 = -51

true 

Rational Numbers

100

Find:

−3.5+2.8

−0.7

200

Find:

7.2+(−3.45)

7.2−3.45=3.75 

 

300

Find:

−0.5−(−3.7) =

−0.5+3.7=3.2

400

Find:

−9.08−(−4.5) =

−9.08+4.5=−4.58

500

Find:

−1/2+0.4 = 

-0.1