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)
How many lines of symmetry does a rectangle have?
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.
How many sides does an equilateral triangle have and how many lines of symmetry?
3 sides and 1 line of symmetry
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
Daily Double:
How many sides does a hexagon, heptagon, and decagon have together?
23 sides
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...
What is a shape with 4 sides called?
Quadrilateral
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)
What shape has 9 sides? How many lines of symmetry does this shape have?
Nonagon, 9 lines of symmetry.
If the area of the rectangle is 18 square inches and the length is 6 inches. What is the width?
3 inches