Multiplication/ Division
Jack has 24 fish. He puts them into 4 bowls. Each bowl has an equal number of fish. How many fish are in each bowl?
6 fish
What unknown number makes this equation true?
6 x 8 = [ ]
48
Complete the pattern in the tables
16, __, 24, 28
20, __, 30, 35
20
25
The top of Table A is a rectangle that is 5 feet long and 3 feet wide.
What is the area of Table A?
15 square feet
What expression is equal to 6x3, and why?
6+3
6÷3
3+6
3x6
3x6
Decide whether each equation is true or false
8x2=4x6
7x3=3x7
5x6=3x10
false
true
true
What number makes this equation true?
[ ]=881-72
[ ]= 809
What is the perimeter of a rectangle that measure 2x6 inches?
16 inches
A roller skating team has 10 members. Each team member has 2 skates. Each skate has 4 wheels.
What is the total number of skate wheels that the team has?
80 (10x2x4)
There are 9 cherry trees.
Kim picks 8 cherries from each tree.
Kim eats 14 of the cherries she picked.
How many cherries does Kim have left?
58 cherries
The number sentence below can be solved using tens and ones. 67 + 25 = __?__ tens and __?__ ones.
9 tens 2 ones
What is the area of a square whose sides are 7 cm?
28 cm
Jan divides 36 pens into groups. Each group has the same number of pens. Jan uses all the pens.
Can there be...
2 pens in each group?
3 pens? 5 pens? 6 pens? 10 pens?
2 pens -Yes
3 pens -Yes
5 pens- No
6 pens - Yes
10 pens- No
Libby said the answer to the problem 5x2x3 is 25. Her work is shown.
Step 1: 5x2=10
Step 2: 5x3=15
Step 3: 10+15=25
Is her answer correct? Why or why not?
No her answer is not correct because she multiplied 5x3 and 5x2
What number would go in the numerator spot to make this equation true?
[]/1=5
5
What is the definition of a polygon?
a closed 2-D figure with at least three straight sides and angles
Decide whether each expression is equal to 4x12.
Yes or no?
4x(10+2)
(4x10)+2
4+(10x2)
Yes
No
No
Complete the number sentences below to show three different ways to complete the calculation in two steps. 7x5x2
__x__= 35, then __x__=__
__x__= 10, then __x__=__
__x__=14, then __x__=__
7x5=35, then 35x2=70
5x2=10, then 10x7= 70
7x2=14, then 14x5=70
Jamie's mother plans a trip for the baseball team. There are 14 players and 5 parents going. They will all travel together. Each car can hold 5 people. There must be at least 1 parent per car.
What is the fewest number of cars they will need?
4 cars
Brandon learned that, beginning at age 2, children grow about 6 centimeters per year. Brandon’s brother is 2 years old today and 80 centimeters tall. Brandon wants to estimate what his brother’s height would be at age 7. Use pictures, math, or words to explain the work needed to find his brother’s height.
Brother’s height at age 7 will be about 110 centimeters.
5 times 6 to find the number of centimeters his brother grew in 5 years. 5 x 6 = 30. Then he added 30 to his current height, 80. 30 + 80 = 110. OR Brandon started with his brother’s current height, 80, and added 6 centimeters for every year until Brandon’s brother reached age 7.