Operations with Integers
-3 + (-5)
-8
3 + 4 x 2
11
x + 5 = 12
7
Solve: x/3 = 4/6
x = 2
Convert 34% to a decimal.
0.34
-5 + 9
4
(5 + 24) x 3
87
3x = 15
5
Solve: x/5 = 6/10
x = 3
Convert 0.333... to a fraction.
1/3
-12 x 13
-156
18 ÷ 3 × (2 + 1)
18
9x - 3 = 27
Solve: 7/x = 14/5
x = 2.5
Convert 4/25 to a percent.
16%
-2 + 3 x 4
10
5 + 2 × (6 – 4)²
13
2x - 5x - 3 = –6
x = 1
Sarah can type 120 words in 3 minutes. At the same rate, how many words can she type in 5 minutes?
200 words
Convert 62.5% to a simplified fraction.
5/8
-6 - (-9) * 4 + 2
32
(12 – 3 × 2)² ÷ 3
12
4(x - 2x – 2) = 8
x = -4
A recipe uses 2 cups of sugar for every 5 cups of flour. How much sugar is needed for 12.5 cups of flour?
5 cups
Convert 0.375 to a percent AND a simplified fraction.
37.5%, 3/8