Ben has 6 pieces of string.
Each piece of string is 5 feet long.
How many feet of string does Ben have in all?
6 ÷ 5 = ?
6 - 5 = ?
6 x 5 = ?
6 + 5 = ?
___________ feet of string.
6 x 5 = ?
30 feet of string
Write a complete fact family
6 x ___ = ____
___ x 6 = ____
___ ÷ ___ = 4
___ ÷ ___ = 6
6 x 4 = 24
4 x 6 = 24
24 ÷ 6 = 4
24 ÷ 4 = 6
___ x 3 = 21
7
What is the formula for area?
Area = l x w
length x width
There are 50 chairs in the gym.
Mrs. Henry wants to set them up in rows of 5.
How many chairs would be in each row?
50 ÷ 5 = ?
50 - 5 = ?
50 x 5 = ?
50 + 5 = ?
__________ rows.
50 ÷ 5 = ?
10 rows.
The pet store has 9 puppies. Each puppy drinks 6 cups of water each day. How many cups of water do all of the puppies, together, drink in one day?
Write an equation/answer for the problem.
54 cups of water
9 x 6 = 54, 6 x 9 = 54, 6+6+6+6+6+6+6+6+6=54
24 = 4 x _____
6
Label the rectangle with its dimensions and area. Then write a multiplication equation to show how you found the area of the rectangle.
Dimensions:
Area:
Equation:
3 by 8
Area = 24 square units
Equation: 3 x 8 = 24 OR 8 x 3 = 24
The third graders are setting up the room for Grandparents’ Day. They set up 3 rows of chairs with 9 chairs in each row. How many chairs in all?
Write an equation and answer that matches the problem.
3 x 9 = 27
Solve each story problem. Use numbers, labeled sketches, or words to show your thinking, and write the answer.
Write an equation/answer to match the problem.
The pet store just got 24 new turtles. Alex is putting the turtles into tanks. She puts 6 turtles in each tank. How many tanks does she use?
4 tanks
24 ÷ 6 = 4
Jami has to solve this story problem:
There are 32 fourth graders in the gym. The gym teacher divides them into 4 equal groups. How many fourth graders in each group?
Jami says she can solve the problem by thinking, “4 times what number equals 32?” Do you agree with Jami? Why or why not?
Yes, because 4 x ___ = 32 OR 32 / 4=
Label the rectangle with its dimensions and area. Then write a multiplication equation to show how you found the area of the rectangle.
Dimensions:
Area:
Equation:
Dimensions: 4 by 5
Area: 20 square units
Equation: 4 x 5 = 20 OR 5 x 4 = 20There are 4 minivans to take 24 kids to the museum. How many kids will ride in each van if all the vans take the same number of kids?
Write an equation and answer that matches the problem.
24 ÷ 4 = 6
Look at the array on the board.
Write 2 multiplication and 2 division equations (a fact family) to describe this array.
6 x 4 = 24
4 x 6 = 24
24/6 =4
24/4 = 6
4 = ____ /5
20
Mark all the statements about area that are true.
A. Area is measured in square units.
B. If you want to find out how long something is, you measure its area.
C. You can find the area of a rug that is 5 feet long and 3 feet wide by multiplying 5 × 3.
D. When you measure the area of something, you find out how much space it takes up.
A,C,D
Fill in the answer to both equations. Then write a story problem to match each one.
20 ÷ 4 = ____
My Story Problem:
5
Example:
There were 20 pieces of candy. 4 kids wanted the candy. How many pieces could each kid get?
Fill in the answer to both equations. Then write a story problem to match each one.
2 x 7 = _____
My Story Problem:
14
Example:
Our class had two tables in the cafeteria. 7 students sat at each table. How many students were in our class?
The pet store got 4 boxes of new dog collars. There were 6 dog collars in each box. Alex unpacked all the collars and hung them up in 3 equal rows on the wall. How many collars in each row? Choose the equation that could help you solve this problem.
A. (4 + 6) × 3 = c
B. (4 × 6) ÷ 3 = c
C. 4 + 6 + 3 = c
D. (4 × 6) – 3 = c
B. (4 × 6) ÷ 3 = c