Factors
What are the first 5 multiples of 3?
3, 6, 9, 12, 15
What is the meaning of prime?
A number that only has 2 factors. (1 and itself)
What equation would you use if a word problem used the phrase "all together"?
add / addition
Explain how you find the perimeter of a rectangle.
Add up all 4 side. length + length + width + width
Give 2 numbers that are factors of 21
1,3,7,21
Katelyn says that 9, 12, 16, and 20 are all multiples of 4. True or False. Explain.
False. 9 is not a multiple of 4.
What equation would you use in a word problem with the phrase "groups of" or "each"?
multiplication
Explain how you find the area of a rectangle.
Multiply the length times the width.
What are ALL of the factors of 20?
1,2,4,5,10,20
Give the first 5 multiples of 6
6,12,18, 24, 30
List the factors of 14. Which factors are composite?
1,2,7,14
14
What is a key word to let you know to use subtraction?
subtract, difference, decrease, take away, less, fewer, minus, how many more
If a rectangle has a length of 2 centimeters and a width of 5 centimeters, what is the perimeter?
14 centimeters
Give an example of a composite number? Explain how you know.
Many correct responses: 4, 6, 8, 9,10, 12, 14, 15, 16...
Sally made five groups of chairs. Each group had four chairs in it. How many chairs total does she have?
Twenty Chairs
If a rectangle has a length of 4 feet and a width of 6 feet, what is the area?
24 square feet
Give an example of a prime number and explain why it's a prime number.
2, 3, 5, 7, 11, 13... A number that only has one factor pair (1 and itself)
Joseph knows sixteen dinosaur names by heart. Terry knows half as much. How many dinosaur names does Terry know?
If the area of the rectangle is 18 square inches and the length is 6 inches. What is the width?
3 inches