1.OA.1: Interpret Products
2.OA.2: Interpret Quotients
3.OA.3: Multiply and Divide within 100
4.OA.4: Determine the Unknown
12.NBT.3: Multiply by Multiples of 10
100
Charlie arranges these boxes of nails on a shelf at the store. What equation represents the number of boxes of nails Charlie displays?
2 X 4 = 8
8 boxes of nails total
100
Ms. Fox has 10 baby carrots left over. She gives the to her two bunnies to share equally. What expression would show the number of carrots her two bunnies each get?
10 ÷ 2
100
One package of baseball cards is 6 dollars. How much will 7 packages of baseball cards cost?
42 dollars.
I know this because if one package is 6 dollars then each package will be 6 dollars. So, 7 packages would be 7 groups of $6. 7x6= 42
100
Joe solved the math problem below.
25 ÷ 5 = ?
What multiplication equation can Joe use to check his answer?
8 x ? = 40
100
The third grade students are going on a field trip. There are 4 buses with 60 students on each bus. How many students are going in all?
4x60= 240
There are 240 students in all going on the field trip.
200
Charlie displays 24 boxes of paper clips. He arranges the boxes in 6 rows. Each row has the same number of boxes. What equation can you use to find the number of boxes in each row of Charlie's display?
6 X 4 = 24
200
There are 27 students on Mr. Smith's baseball team. Each of the players are divided into 3 groups for practice. How many students will be in each group?
27 ÷ 3 = 9
I can check my work using the equation, 3 X ? = 27
200
Tommy works at a candy shop. He prepared 4 boxes of candy for children for Halloween. There are 9 pieces of candy in each box. Tommy wants to give the same number of pieces of candy to 6 children in his neighborhood.
What number sentence would show the number of pieces of candy Tommy will give each child?
If Tommy has 4 boxes of candy with 9 pieces of candy in each box, then Tommy has 36 pieces of candy (4x9=36). If he gives 6 children the same number of pieces of candy, then each child would get 6 pieces of candy. My number sentence is 36 ÷ 6 = 6.
200
Given the equations below, what is the value for s?
30 ÷ s = 5 and s x 5 = 30
s=6
I know this because 30 ÷ 6 = 5 and 6 x 5 = 30.
200
Lucy practiced for 10 minutes each day for 7 days. How many minutes did she practice all together?
10x7= 70
Lucy practiced from a total of 70 minutes.
300
Mr. Robert asked a police officer to speak to his class and another third grade class about summer safety. To make room for the students, Mr. Robert arranged the chairs in his room into 8 rows and 4 chairs in each row. How many chairs were there in all?
8 X 4 = 32
300
There are 24 students in Mrs. Lopez's class. Mrs. Lopez divided the class into groups of 4 students. How many groups are there?
24 ÷ 4 = 6
300
Mrs. Sims has 5 baskets of books in her classroom. She has 7 books in each of her baskets. Draw a picture that correctly shows how many books there are altogether. Be sure to include an equation for your picture
Draw 5 groups with 7 in each group.
Equation: 5 X 7 = 35
300
You are taking a test and you are asked to solve the problem,
36 ÷ 9 = m
What number sentence will help you solve this problem on the test?
9 x m = 36
300
This week, Lucy practiced for 20 minutes each day for 7 days, and Jessie practiced for 30 minutes each day for 6 days. What was the total number of minutes that the two girls practiced? Explain.
The total number of minutes that the two girls practiced was 320. I know this because Lucy practiced 20 minutes for 7 days (20X7=140) and Jessie practiced for 30 minutes for 6 days (30x6= 180). When you add up the amount of time each girl practiced (140+180), your total equals 320 minutes.
400
The art teacher divided her class into 4 equal-sized groups. Each group needs 5 paint brushes. How many paint brushes are needed in all?
4 X 5 = 20
400
I have three rows of counters. There are 8 counters in each row for a total of 24 counters. Write a fact family for the model described.
3 x 8 = 24
8 x 3 = 24
24 ÷ 3 = 8
24 ÷ 8 = 3
400
Juanita spent $9 on each of her 6 grandchildren at the fair. How much money did she spend?
6 X 9 = 54
400
Samantha makes 44 pies. She arranges them in 4 equal rows on the table. Samantha writes the equation 44 ÷ ? = 4 to show the situation.
Which number makes Samantha's equation true?
44 ÷ 11 = 4
The number that would make Samantha's equation true is 11.
400
One week, Lucy practiced for 20 minutes each day for 7 days, and Jessie practiced for 75 minutes total the whole week. How many more minutes than Jessie did Lucy practice this week?
Lucy practiced for 140 minutes (20x7=140). Jessie practiced a total of 75 minutes. So, Lucy practiced 65 minutes more than Jessie (140-75=65).
500
Charlie made a display of 36 boxes of rubber bands. All the rows had the same number of boxes. Today, Charlie sees that each row now has only 7 boxes of rubber bands. There are still 4 rows of boxes, just as he set it up yesterday.
Write an equation that can be used to show how Charlie arranged the boxes in rows yesterday.
4 rows of 9 boxes of rubber bands
500
Write a situation that can be represented by the expression 9 = 81÷ ?.
Answers will vary.
Example:
I had 81 stickers. I placed the same number of stickers on pages in my book. If each page had 9 stickers, how many pages did I put stickers on?
500
Helen spent an equal amount of money on each of her 7 grandchildren at the mall. If she spent a total of $42, how much did Helen spend on each grandchild?
42 ÷ 7 = ?
7 X ? = 42
? = 6
500
Tehya and Kenneth are trying to figure out which number could be placed in the box to make this equation true.
Tehya insists that 12 is the only number that will make this equation true.
Kenneth insists that 3 is the only number that will make this equation true.
Who is right? Why? Draw a picture to support your idea.
Tehya is correct because 12 divided by 6 equals 2.
500
Mr. Cody was playing darts. He threw 11 total darts.
Two darts landed on 50, four darts landed on 40, three darts landed on 30, one dart landed on 20, and one dart landed on 10. How many points did Mr. Cody earn?
(2x50)+(4x40)+(3x30)+(1x20)+(1x10)=380 points