Percents, Decimals, and Fractions
Convert 0.5 to a percentage and to a fraction (simplest form)
Percentage: 50%
Fraction 1/2
Is 81 a perfect square?
List the factors of 12
1 x 12
2 x 6
3 x 4
Between which 2 numbers would √20 be?
4 and 5
Simplify √12
2√3
Convert 25% to a decimal and a fraction (simplify)
Decimal: 0.25
Fraction: 1/4
Is 50 a perfect square?
No
List the factors of 20
1 x 20
2 x 10
4 x 5
Between which 2 numbers would √50 be?
7 and 8
Simplify √20
2√5
Convert 3/4 to a decimal and a percentage
Decimal: 0.75
Percentage: 75%
Which of these are perfect squares?
4, 8, 24, 36, 42
4 (2x2 = 4)
36 (6x6 = 36)
List the factors of 50
1 x 50
2 x 25
5 x 10
Would √79 be closer to 8 or 9?
9
Simplify √50
5√2
Convert 0.625 to a fraction and a percentage. Double points if you can simplify the fraction.
Percentage: 62.5%
Fraction: 62.5/100 -> 125/200 -> 5/8
110 is between two perfect squares, what are they?
100 and 121
List the factors of 22
1 x 22
2 x 11
Between which 2 numbers would √115 be?
10 and 11
Simplify √72
6√2
Convert 2 1/5 into a percentage and a decimal
Percentage: 220%
Decimal: 2.2
List all of the perfect squares from 12 to 102
12 = 1
22 = 4
32 = 9
42 = 16
52 = 25
62 = 36
72 = 49
82 = 64
92 = 81
102 = 100
List the factors of 180
1 x 180
2 x 90
3 x 60
4 x 45
5 x 36
6 x 30
9 x 20
10 x 18
12 x 15
Would √30 be closer to 5 or to 6?
5
Simplify √400
20