Percentages
What is 0.631 as a percent?
0.631 x 100% = 63.1%
Answer = 63.1%
What is the greatest common factor between 8 and 10?
Factors of 8: 1, 2, 4, 8
Factors of 10: 1, 2, 5, 10
Answer = 2
What is the least common multiple of 2, 3, and 4?
Multiples of 3: 3, 6, 9, 12
Multiples of 4: 4, 8, 12, 16
Answer = 12
What is the fraction 2/7 as a percentage?
Round to nearest whole percentage(%).
2/7 = 0.2857
0.2857 x 100% = 29%
12 inches = 1 foot
How many inches are in 3.5 feet?
3.5 x 12 = 42
Answer = 42
What is 57.2% as a decimal?
57.2% / 100 = 0.572
Answer = 0.572
What is the greatest common factor between 9 and 15?
Factors of 9: 1, 3, 9
Factors of 15: 1, 3, 5, 15
Answer = 3
What is the LCM of 3, 4, and 8?
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32
Multiples of 5: 8, 16, 24, 32
Answer = 24
Order the following from least to greatest?
1.32
1 and 3/7
31/20
1.73
3/7 = 0.43
1 and 3/7 = 1 + 3/7 = 1 + 0.43 = 1.43
31/20 = 1.55
Answer = 1.32, 1 and 3/7, 31/20, 1.73
1 ft = 12 inches
1 yard = 3 ft
How many yards is 612 inches?
612 in / 12 in/ft = 51 ft
51 ft / 3 ft/yd = 17 yd
Answer = 17 yd
What is 70% of 54?
Do NOT round your answer.
1. Convert % to a decimal
70% / 100 = 0.70
2. Multiply them.
0.70 x 54 = 37.8
Answer = 37.8
What is the greatest common factor between 18 and 27?
Factors of 18: 1, 2, 3, 6, 9, 18
Factors of 27: 1, 3, 9, 27
Answer = 9
What is the LCM of 2, 8, and 20?
Multiples of 20: 20, 40, 60, 80
Multiples of 8: 8, 16, 24, 32, 40, 48, 54, 64, 72, 80
Multiples of 2: well, the answer is 80
What is sum of the following 2 fractions?
1/4 + 2/3
Multiples of 3: 3, 6, 9, 12
1 x 3 = 3 2 x 4 = 84 x 3 = 12 3 x 4 = 12
3/12 + 8/12 = 11/12
Answer = 11/12
1 c = 8 fl oz
1 pt = 2 c
1 qt = 2 pt
1 gal = 4 qt
How many fluid ounces (fl oz) is 2 gallons (gal)?
8 qt x 2 pt/qt = 16 pt
16 pt x 2 c/pt = 32 c
32 c x 8 fl.oz/c = 256 fl oz
Answer = 256 fl oz
You have a budget of $400. You spent $100. How much of your budget have you spent so far?
100/400 = 0.25
0.25 x 100% = 25%
Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24
Factors of 32: 1, 2, 4, 8, 16, 32
Answer = 8
What is the LCM of 4, 9, and 12?
Multiples of 12: 12, 24, 36, 48
Multiples of 9: 9, 18, 27, 36, 45
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36
Answer = 36
What is the product of the following fractions?
4/5 x 3/7
4 x 3 = 12
5 x 7 = 35
Answer = 12/351 meter = 3.3 feet
A tree is 19.8 feet tall. How many meters tall is it?
19.8 ft / 3.3 ft/m = 6 m
Answer = 6 m
525 / 1,348 = 0.389
0.389 x 100% = 38.9%
What is the greatest common factor between 60 and 75?
Factors for 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30
Factors of 75: 1, 3, 5, 15, 25, 75
Answer = 25
What is the LCM of 3, 12, and 16?
Multiples of 16: 16, 32, 48, 64
Multiples of 12: 12, 24, 36, 48, 60
Multiples of 48: 3 goes into 48
Answer = 48
Fill in the blank to make the two fractions equivalent.
4/7 = /21
7 times what is 21? ... 3
4 x 3 = 12
Answer = 12/21
1 lb = 16 oz
1 T = 2,000 lb
How many ounces (oz) is 1.75 tons (T)?
1.75 T x 2,000 lb/T = 3,500 lbs
3,500 lbs x 16 oz = 56,000 oz
Answer = 56,000 oz