Operations With Numbers Base Ten

• 0.8

• 8.0

• 0.08

• 0.008

• 460

• 4,600

• 46,000

• 460,000

Which of the following numbers is greatest?

• 0.125

• 0.251

• 0.512

• 0.215

Jerry spent $5.91, $7.27, and $12.60 on breakfast, lunch, and dinner. Approximately how much did his meals cost in all?

• about $24

• about $26

• about $25

• about $27

Use estimation to complete the following: The difference of 31.245 - 1.396 is between _______.

• 29 and 29.5

• 29.5 and 30

• 30 and 30.5

• 30.5 and 31

Solve

407 × 35 =

• 14,280

• 14,245

• 12,445

• 16,135

Which equation is represented by this array?

Divide 0.42 by 3.

• 14

• 126

• 0.14

• 12.6

Jeremy is rolling coins to take to the bank. He has 680 nickels to roll. If each sleeve holds 40 nickels, how many sleeves will he be able to fill?

• 8

• 17

• 16

• 12

Which number is represented by the expression?

8 x 100,000 + 3 x 1,000 + 2 x 10

• 803,020

• 800, 300, 020

• 80,320

• 80,302

Answer explanation

To solve the expression, calculate each term: 8 x 100,000 = 800,000, 3 x 1,000 = 3,000, and 2 x 10 = 20. Adding these gives 800,000 + 3,000 + 20 = 803,020, which matches the correct answer.