Simply Expressions Mentally

Work out mentally

0.12 × 30

Work out mentally

−60 ÷ −0.1

2d + 9 when d = 1

• 11

• 5

• 10

• 6

6c - 1 + 5c when c = 2

• 31

• 41

• 51

• 21

Simplify: -4(2x - 5)

Use the distributive property to simplify the expression

3(4+3r)

• 12+9r

• 7+6r

• 12+5r

Simplify expression

n - 5 + n - 3

• 5n - 3n

• 7n - 3

• 2n - 8

• 8 - n

Simplify expression

10n + 6 + 7n - 7

• 17n + 13

• 17n - 1

• 17n + 1

• 10n + 20

Simplify expression

b - 5 + 8b

• 13b - 5

• 8b - 5b

• 9b - 5

• 9b + 5

Simplify expression

-8m + 7 - 10

• -8m + 17

• -8m - 17

• -8m + 3

• -8m - 3