A rectangle is 4 units long and 3 units wide. What is its area?
12 square units
Is 7 prime or composite?
Prime. Its only factors are 1 and 7.
Which fraction is greater: 3/8 or 5/8?
5/8
2/7+3/7=
5/7
In 2 3/5, what is the whole-number part and what is the fraction part?
Whole-number part: 2. Fraction part: 3/5.
A square has sides that are each 5 inches long. What is its perimeter?
20 inches
List all the factors of 12.
1, 2, 3, 4, 6, 12
Fill in the missing number: 1/2 = ?/8.
4/8
7/8 − 3/8 = ? Give your answer in simplest form.
4/8 = 1/2
Fill in the missing numerator: 5/6 = 2/6 + ?/6.
3, because 5/6 = 2/6 + 3/6.
A rectangle is 8 feet long and 3 feet wide. Find its area AND perimeter.
Area: 24 square feet. Perimeter: 22 feet.
List the first five positive multiples of 6. Start with 6.
6, 12, 18, 24, 30
Compare using >, <, or =: 2/3 ___ 3/4.
<
1/2 + 1/4 =
2/4+1/4=3/4
Change 11/4 into a mixed number.
2 3/4, because 11/4 = 4/4 + 4/4 + 3/4.
A rectangle has an area of 36 square units. Its length is 9 units. What is its width?
4 units
I am between 20 and 30. I am a multiple of both 4 and 6. What number am I?
24
Put these fractions in order from least to greatest: 2/3, 1/4, 1/2.
1/4, 1/2, 2/3
5/6 − 1/4 =
10/12 − 3/12 = 7/12
Change 2 2/3 into an improper fraction.
8/3, because 2 2/3 = 3/3 + 3/3 + 2/3.
A rectangle has a perimeter of 24 inches. Its length is 8 inches. Find its width AND area.
Width: 4 inches. Area: 32 square inches.
A student says, “Every odd number is prime.” Give an example that proves the student is wrong. Explain.
Example: 9. It is odd, but its factors are 1, 3, and 9, so it is composite.
A number line has 4 equal intervals between each whole number. A point is 7 intervals to the right of 0. Name the point as an improper fraction AND a mixed number.
7/4 = 1 3/4
You have 3/4 yard of ribbon. You use 1/3 yard, then another 1/6 yard. How much ribbon is left?
1/4 yard, because 9/12 − 4/12 − 2/12 = 3/12 = 1/4.
Write two different addition equations that equal 2 3/5. Each equation must have at least three addends.
Examples: 1 + 1 + 3/5 = 2 3/5 and 5/5 + 4/5 + 4/5 = 2 3/5. Accept other correct decompositions.