3rd Grade Computation and Estimation Review

Look at this number sentence.

8 + □ = 15

Which could you do to find the missing number?

• add 8 to 15

• add 15 to 8

• subtract 8 from 15

• subtract 7 from 8

The table shows the number of tickets sold for the last two Dribblers' basketball games. About how many tickets were sold for those two games all together?

• 6,000

• 10,000

• 5,000

• 8,000

The town of Mountain Place has a population of 8,497. The town of Reedville has a population of 5,629. How many more people live in Mountain Place than in Reedville?

• 3,865

• 2,868

• 3,272

• 2,852

4 x 8 = ?

• 36

• 28

• 12

• 32

Darryl has this money to spend on snacks at the movies.

Which two things can Darryl buy with this money?

• 
• 
• 
• 

• 7

• 9

• 8

• 12

Which problem can be solved using the number sentence in the box?

29 x 2 = ?

• Mrs. Jensen had 29 rulers. She gave 2 to her students. How many rulers did she have left?

• A parking lot has 29 cars in each row. There are 2 rows of cars. How many cars is that all together?

• Sharon saw 29 boats on the lake and 2 boats at the dock. How many boats is that in all?

• Travis had 29 cookies. If he puts 2 cookies in each lunch bag,how many lunch bags will he use?

Ronnie has the money shown below.

If the prices shown include tax, which of the following shirts can Ronnie buy with this money?

• 
• 
• 
• 

The chart shows the number of rocks each student collected during a field trip.

How many rocks did Jeff and Mark collect all together?

• 42

• 79

• 45

• 32

Sara bought 3 boxes of crackers. There were 48 crackers in each box. How many crackers did she buy in all?

• 51

• 124

• 45

• 144