Equations
Word Problems
Potpourri
100
Solve:
8 x 5 = ?
40
100
Mya earns 3 treats a day for doing her chores.
Mya gets a total of 21 treats.
How many days did Mya do her chores?
7 days.
21 ÷ 3=7
or
___x3=21
100
Jack draws this array to represent 4 x 8.
He says the array also represents 8 x 4.
Is Jack correct? Explain your thinking.
Yes. It shows commutative property. If you turn the array sideways, you just switch the factors, but do not change the answer.
200
Solve:
18 ÷ 2=?
9
200
Dean set up chairs for movie night.
He sets up 5 rows of 8 chairs.
How many chairs does Dean set up altogether?
40 chairs
5 rows of 8 or 5x8=40
200
Which equation could be used to describe the array below?
A) 2x2x2x2x2
B)5x5
C)5+5
D)2+2+2+2+2+2
C
300
Solve:
21 ÷ 3 = ?
7
300
Mrs. Barr's class plays a game.
The students earn 3 points for each question they answer correctly.
They earn 21 points on Monday.
How many questions did the class answer correctly on Monday?
7
Reasoning:
3 points each. 21 total points.
___ x 3 = 21
300
Double Jeopardy 300x2
Which two equations could be used to describe the array below?
A) 3x6=___
B) 6÷3=___
C) 6+6+6=___
D) 3+3+3+3+3+3+3
A and C
400
What number could you use to complete the equation?
3 × ___ = 12
4
Reasoning:
12÷ 3=4
3x4=12
400
Daily Double
Jasmyne made friendship bracelets for 6 of her friends.Each bracelet had 4 shiny beads.
Part 1: How many shiny beads did she use on her bracelets?
Part 2: Jasmyne had 28 total shiny beads. How many did she have left after making the six bracelets?
Part 1: 24 beads
Part 2: 4 beads
Part 1 explanation: 6x4=24
Part 2 explanation 28-24=4
400
Which situation can be represented by 24 ÷ 4?
A) 24 apples and 4 apples altogether.
B) 24 Skittles take away 4 Skittles.
C) The number of rows of cookies when 24 cookies are on a baking sheet in rows of 4.
C)
Reasoning:
Takes the total 24 cookies and puts them in equal rows of 4.
A) adding
B) subtracting
500
What number could you use to complete the equation?
4 x ___ = 20
5
Reasoning:20 ÷ 4=5
4x5=20
500
Daily Double
Samantha gets $4 a day for raking leaves.
Part 1: She earned $20 on the first week. How many days did she rake leaves?
Part 2: Samantha rakes leaves for 6 more days on her second week. How much money did Samantha make in all?
Part 1: 5 days
Part 2: $44
Part 1 explanation: 20 ÷ 4 = 5
Part 2 explanation: 6x4= 24 24+20=44
500
Which situation can be represented by 15 ÷ 3?
A) The total of 15 flowers and 3 flowers.
B) The difference of 15 strawberries and 3 strawberries.
C) The number of brownies in each group when 3 children share 15 brownies equally.
C)
Reasoning:
Shows 15 total brownies being divided into 3 groups equally.
Key Words: Each, share, equally
A) is adding
B) is subtracting