Unit 1

Solve :

8 ÷ 8 + 6 × 2

• 8

• 14

• 13

• 23

24 ÷ 4 x 2 =

• 21

• 3

• 6

• 12

3×10+8−4²

• -5

• 22

• 11

• 7

Simplify the following:

-8 + (15 - 3) ÷ 4

• 11

• 1

• -11

• -5

7(11k + 12) + 9k

• 77k + 84

• 86k + 84

• 17k + 84 + 9k

• 63k + 84

Simplify the expression:

3(2h + 3c + 2)

• 6h + 9c + 2

• 6h + 9c + 6

• 5h + 6c + 5

• 2h + 3c + 6

5x(-4xyz)

• 20x²yz

• -9xyz

• xyz

• -20x²yz

15 decreased by 4 times a number

• 4n - 15

• n - 15 x 4

• 15 - 4n

• 15 x 4 - n

2x/3 + 4x/3 - 1/3

• 5x/3

• 6x -1/3

• 6x -1/9

2( x - 1) + 3 ( 2x + 1)

• 0

• 8x + 1

• 9x - 4