Decimals/Fractions
A student had 4.75 meters of ribbon and used 1.8 meters. How much ribbon is left?
2.95 meters
A class has 10 boys and 15 girls. What is the ratio of boys to girls in simplest form?
10:15
2:3 (2 to 3)
List all the factors of 12.
1, 2, 3, 4, 6, 12
Convert 3.5 feet to inches. (1 foot = 12 inches)
42 inches
Solve: x - 3.5 = 6.2
x = 9.7
Order from least to greatest: -2, 0, -5, 3
-5, -2, 0, 3
A recipe uses 5/8 cup of sugar and 3/4 cup of flour. How much total dry ingredient is used?
5/8 + 6/8 = 11/8 or 1 3/8
A car travels 120 miles in 3 hours. What is the unit rate in miles per hour?
40 mph
What is a prime number?
A number whose only factors are itself and 1.
Convert 2.4 meters to centimeters.
240 centimeters
Find one value of x that makes this true: x + 4 > 9
Is 3/4 a rational or irrational number?
Rational
If you walked 5/6 miles away from school, then walked 2/3 mile back, how far would you be from school?
5/6 - 4/6 = 1/6 miles away
A shirt costs $40. It is on sale for 25% off. How much does it cost with the discount?
$30 ($10 discount)
25% is 1/4
1/4 of 40 = 10
40 - 10 = 30
Find the Greatest Common Factor (GCF) of 12 and 18.
6
Convert 180 centimeters to meters. (100 cm = 1 m)
1.8 meters
Lucy is 5 years younger than her 12 year old brother. Write an equation to show Lucy's age (L).
L + 5 = 12
12 - 5 = L
12 - L = 5
What is the absolute value of -0.24? Explain.
0.24 because it is 0.24 away from 0.
A tank is filled with 3/4 liter of water each minute. How much water is added in 5 minutes?
3/4 x 5 = 3 3/4 Liters
A recipe uses a ratio of 2 cups flour to 3 cups sugar. If you use 6 cups of flour, how much sugar is needed?
9 cups of sugar
Write the prime factorization of 24 (hint: make a factor tree).
2 x 2 x 2 x 3
Convert 5 yards to feet. (1 yard = 3 feet)
15 feet
Solve: 3x = 18
x = 6
The temperature was -4° in the morning and rose 9 degrees. What is it now?
5°
A recipe needs 2/5 cups of oil for one batch. How much oil is needed for 3 batches?
1 1/5 cups
A student answered 18 out of 24 questions correctly. What percent did they get correct?
75%
(18/24 = 3/4)
Find the least common multiple (LCM) of 6 and 8.
24
A ribbon is 90 inches long. How many feet is that? (12 inches = 1 foot)
7.5 feet
Solve: x/4 = 6
x = 24
A number line shows a point at -3. If you move 5 units to the right, where do you land?
2
A baker uses 2/3 cup of sugar for one batch. She makes 3 1/2 batches. How much sugar does she use?
2 1/3 cups
2/3 * 7/2 = 14/6
14/6 = 7/3 or 2 1/3
A store increases the price of a $50 item by 15%. What is the new price?
$57.50
Two lights blink at different intervals.
If they blink at the same time now, in how many seconds will they blink together again?
30 seconds
A runner jogs 1.5 miles. How many feet is that? (1 mile = 5,280 feet)
7,920
The quotient of 32 and a number is 8. Write and solve the equation.
32/ n = 8
n = 4
A student says 2/3 = 0.66. Is this correct? Explain.
Sort of...
The answer is 0.66666 repeating.
Rounded, the number would be 0.67 :)