Factors and Greatest Common Factors
What are all the factors of 6?
1,2,3, and 6
Which number is greater, 0 or -1?
0
What is ½ x ½?
¼
A group of preschoolers has 1 boy and 20 girls. What is the ratio of girls to boys?
20 : 1
What are the factors of 27?
1, 3, 9, and 27
Which number is less ½ or ⅓?
⅓
What is ⅕ x ⅐?
¹⁄₃₅
Caleb drew 11 hearts, 19 stars, and 8 circles. What is the ratio of stars to hearts?
19 : 11
What is the Greatest Common Factor of 20 and 25?
5
Which number is greater ⅔ or ⁴⁄₁₂?
⅔
What is ½ ÷ ½?
1
A pattern has 15 blue triangles to every 25 yellow triangles. What is the ratio of blue triangles to all triangles in simplified form?
3 : 8
What is the Greatest Common Factor of 28 and 14?
14
How would you order the following list from least to greatest? -2, |-0.5|, -1⅓, ¾, -2.5
-2.5, -2, -1⅓, |-0.5|, ¾
What is ½ ÷ ⅘?
⅝
Madelyn bakes chocolate chip cookies every weekend. Her cookie recipe uses 3 cups of flour and yields 24 cookies. How much flour does Madelyn's recipe use per cookie?
⅛ cup of flour per cookie
What is the Greatest Common Factor of 24 and 54?
6
An engineering team visited a tall building and a deep mine (underground for taking out minerals). The top of the building is measured at an elevation of 275 meters and the mine is measured at an elevation of -260. Which location is closer to sea level (elevation of zero meters)?
the mine
At the Adams Zoo, 4/5 of the animals are primates. Of the primates, 1/4 are monkeys. What fraction of the animals at the Adams Zoo are monkeys?
⁴⁄₂₀
A steady rain fell on Maple Mountain yesterday. Florence kept an eye on her rain gauge throughout the 8-hour storm, and a total of 2 inches of rain collected in it.
How much did the amount of rain in the gauge increase by each hour?
¼ inches per hour