Multiplication
What is the unknown number in the equation?
6 x 7 = 7 x ____
6
What is the area of a rectangle with a length of 5 feet and a width of 9 feet?
*Write an equation to solve.*
5 x 9 = 45 square feet
There are 3 players playing ring toss. Each player gets 5 rings. How many rings do the players get?
*Draw equal groups to solve.
15 rings
OOOOO OOOOO OOOOO
The answer to a multiplication problem is the ___________.
product
What equation does this array show?
XXXXX
XXXXX
XXXXX
3 x 5= 15
What is the area of a rectangle with a length of 2 inches and a width of 7 inches?
*Draw a picture and write an equation to solve.*
2 x 7 = 14 square inches
*Check students drawings*
There are 5 teams competing in a race. Each team has 4 runners. How many runners are in the race?
*Use repeated addition to solve.
4+4+4+4+4 = 20 runners
An ____________ is a set of objects arranged in rows and columns.
array
Write the related multiplication equation for the addition equation.
5 + 5 + 5 + 5 = 20
_______ x _______ = _______
4 x 5 = 20
What is the area of a square with a length of 4 square miles?
*Write an equation to solve*
4 x 4 = 16 square miles
Morgan's class needs to arrange 12 chairs into 3 rows. How many chairs will be in each row?
*Draw an array to solve.*
XXXX
XXXX
XXXX
4 chairs in each row
The numbers being multiplied are known as the ___________.
factors
Misha writes 5 storybooks. Each storybook has 7 pages. How many pages are in Misha's storybooks?
*Draw a bar model to show the problem then write an equation and solve.*
7 7 7 7 7
5 x 7 = 35 pages
One rectangle has a length of 2 feet and a width of 6 feet. Another rectangle has a length of 4 feet and a width of 3 feet. What is the COMBINED area of the rectangles in square feet?
*Show your work!*
2 x 6 = 12
4 x 3 = 12
12 + 12 = 24 square feet
Evan uses square meter units to measure the area of a room in the shape of a rectangle. The length of the room is 3 meters, the width of the room is 8 meters. What is the area of the room in square meters?
*Draw a picture to solve and write an equation to solve.*
3 x 8 = 24 square meters
*Check students drawings*
____________ is the measure of the number of unit squares needed to cover a surface.
Area
Hector reads 2 books each week for 3 weeks. Draw a bar model to show how many books he reads. Then write an equation to solve.
2 2 2
3 x 2 = 6 books
Draw a rectangle that has an area of 15 square meters. Be sure to label the length and width of your rectangle.
Possible Answers:
L = 5 W = 3
L = 1 W = 15
Olivia covers the floor of her treehouse with 6 rows of 6 tiles. Each tile measures 1 square foot. What equation could Olivia use to find the area of her treehouse floor in square feet?
6 x 6 = 36 square feet
The __________________ Property of Multiplication states that you can multiply factors in any order, and the product stays the same.
Commutative