Math Unit 4 Review

49,063 is the sum of

• forty nine thousands, six tens, and three ones

• forty thousands, nine hundreds, and sixty three ones

• forty nine thousands and sixty three hundreds

• four thousands, nine hundreds, six tens, and three ones

Sam invited 11 friends and his 3 cousins to his birthday party. Which equation can be used to find the number of people who were invited to his birthday party if 2 of these people did not come?

• 11 + 3 + 2 = ?

• 11 - 3 + 2 = ?

• 11 - 3 - 2 = ?

• 11 + 3 - 2 = ?

The model below can be represented by different number sentences.

Select 3 that are correct.

• 5 + 5 + 5 = ?

• 5 x 3= ?

• 5 x 5 x 5 =

• 3 x 5 =

Sam made 7 towers with 14 blocks in each tower. How many blocks were used to build all of the towers?

Answer explanation

Is the problem missing a whole or a part?

missing whole with equal groups - multiply

missing a part with equal groups- divide

In Mrs. Hakes’s classroom, she has her students sit on a rug for some of their activities. There are two rugs in her classroom. One rug has 3 rows of squares with 3 squares in each row. A larger rug has 4 rows of squares with 3 squares in each row. 

Which number sentence can be used to find the number of square spaces on the rugs available in Mrs. Conway’s classroom?

• 3 + 3 + 4 + 3 =

• (3 x 3) + (4 ➗ 3) =

• 3 x 3 x 4 x 3 =

• (3 x 3) + (4 x 3) =

Lena made paper chains. She used 49 links. If she made 7 chains, how many links were on each chain?

• 8

• 7

• 6

• 5

Mrs. Rangel runs 30 miles in 5 days. She runs the same amount of miles each day. Which array can be used to find the number of miles she runs each day?

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Mrs. Bazajou was going to buy donuts for the teachers to celebrate the last day of school before winter break. She went to the store and bought 6 dozen assorted donuts.

If she gives each grade level 9 donuts, to how many grade levels can she give donuts?

• 8

• 15

• 54

• 72

Cookies can be sold by the dozen and half dozen. Which table correctly shows the number of cookies sold in different amounts of half dozen cartons?

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Annie and Mark went to the book fair. Annie spent $4 at the book fair. The amount Mark spent at the book fair is represented by the expression below.

4 x 2

Which statement is true?

• Annie spent four times as much as Mark at the book fair.

• Mark spent four times as much as Annie at the book fair.

• Annie spent twice as much as Mark the book fair.

• Mark spent twice as much as Annie at the book fair .