Area and Perimeter
What is the formula for Area?
length x width (l x w)
5x4
20
81 ÷ 9
9
Sally has 8 books. Her mom has ten times as many books. How many books do Sally and her mom have altogether?
88 books
What is the answer to multiplication called?
What is the formula for perimeter?
2 x l + 2 x w or l+l+w+w
25 x 2
50
120 ÷ 4
30
Ron has 15 cookies. He wants to share them with his two friends. How many cookies would Ron and his two friends each get?
5 cookies each
What is the answer to division called?
Quotient
What is the perimeter of a rectangle with a length of 5 inches and a width of 7 inches?
24 inches
189 x 7
1,323
418 ÷ 5
83 R 3
Stuart collected 157 shells at the beach. He wants to give his mom half and give his teacher the other half. If Stuart keeps the remainder, how many shells does Stuart get to keep?
What are the numbers that you multiply together called?
Factors
What is the area of a rectangle with a length of 7 inches and a width of 9 inches?
63 inches squared
8,972 x 5
44,860
8,972 ÷ 9
996 R 8
459 people want to take a helicopter tour of the Grand Canyon. If a helicopter can take 6 people at a time, how many helicopter trips will be needed so everyone gets the tour?
77 trips.
What is the number that you are breaking apart in division called?
Dividend
The area of a rectangle is 45 squared inches. The length is 9 inches. How wide is the rectangle?
5 inches
56 x 89
4,984
7,856 ÷ 3
2,618 R 2
Michelle sells jewelry. She sells necklaces for 25 dollars and bracelets for 15 dollars. If she sells 10 necklaces and 20 bracelets, how much money will she make?
550 dollars
What is the number that you are dividing by called?
Divisor