7th Math Lab Basics

Add/Subtract Integers

100

7+ (-9)

-2

200

(-10) + (-4)

-14

300

(-4) - (-14)

10

400

9 - (-11)

20

500

(-7) - 5

-12

Add/Subtract Decimals

100

15.4 + 8.26

23.66

200

0.45 + 12.2

12.65

300

9.54 - 9.68

0.86

400

0.6 - 0.067

0.533

500

16.04 - 7.45

8.59

Order of Operations

100

6 / 3 x 4

8

200

(35 + 7) / 2 + 6

27

300

45 - 2 x (15 - 3)

21

400

8 + 3(16 -12)

20

500

9 - 2 + (2²  - 1)²

16

Exponents

100

6²

36

200

2³

8

300

8²

64

400

7⁰

1

500

4³

64

Multiply Decimals

100

10 x 0.52

5.2

200

0.09 x 0.3

0.027

300

0.3 x 1.202

0.3606

400

1.232 x 0.2

0.2464

500

0.24 x 2.2

0.528