Multiplication
3 x 4
12
12 ÷ 3
4
What is the commutative property?
changing the order of addition or multiplication does not change the answer
The _____ is the number on top of a fraction.
numerator
What is the perimeter of a triangle with sides that equal 2 cm?
6 cm
6 x 5
30
20 ÷ 4
5
What does the associative property mean?
the grouping (or using parentheses) does not change the answer
The _____ is the number on bottom of a fraction.
denominator
What is the perimeter of a square with sides that equal 2 cm?
8 cm
9 x 6
54
15 ÷ 5
3
How does multiplication relate to division?
They are inverse operations.
What is 2/3 of a pizza if you eat one slice of three?
1/3
If the perimeter of a triangle is 30 cm, and all the sides are equal, what is the length of each side?
10 cm
7 x 7
49
30 ÷ 6
5
What is the distributive property?
problems can be decomposed into easier numbers
7 x 13 = (7 x 3) + (7 x 10)
If I have all 4 slices of a pizza cut into 4's, how much pizza do I have
1 whole
A shape has the side lengths: 2cm, 5cm, 3cm, 7cm, and 1cm. What is its perimeter?
18 cm
How many times is 8 in 64?
8
49 ÷ 7
7
Give an example of the identity property of multiplication.
when you multiply any number by 1 the answer is same number
5 x 1 = 5
If you have 6 pieces of chocolate, what fraction is that of a dozen?
6/12 or 1/2
Joe needs to build a fence for his goats. He has a rectangular space with a width of 8 ft and a length of 9 ft. What is the perimeter of the space?
72 ft