Math Review Unit 8

What is the value of the 7 in the number below?
207,543

• thousands
• 7,000
• ten thousands
• 70,000

Mrs. Finn has $2,345. Mr. Finn has $3,267. How much money do they ALL together?

• $5,502

• $5,612

• $6,643

• $922

Mrs. Finn bought 25 pencils for her students. Mrs. Foster has 15 times as many pencils as Mrs. Finn. Which equation represents how many pencils Mrs. Foster has?

• 25 + 15= 40

• 25 - 15 = 10

• 25 X 15 = 375

• 15 x 25 = 315

A pet store sold 74 puppies in one week. If each of the puppies cost 65 dollars , how much money would they have made?

• 440

• 139

• 4,810

• 814

Which number is a prime number?

• 1

• 3

• 6

• 9

Which number is a composite number?

• 1

• 2

• 5

• 9

These numbers are in order from least to greatest.

420,123 ; 421,234 ; ____________ ; 423,456

Which of the following numbers would complete this order?

• 420,245

• 423,345

• 434,678

• 423,890

If 20 = 5 x 4, then

• 20 is 5 times as many as 4

• 5 is 20 times as many as 4

• 20 is 3 times as many as 6

• 4 is 5 times as many as 20

Mrs. Finn has 137 seashells . She wants to put them on a bookshelf. If only 6 seashells will fit on each shelf, then how many shelves will Mrs. Finn need to fit all of her seashells?

• 20

• 21

• 22

• 23

Solve

42 X 15

• 100

• 57

• 630

• 627