Unit 1 Review

How does the value of the digit 4 in the number 83,497 compare to the value of the digit 4 in the number 84,125?

Which number sentence correctly compares two numbers?

• Twenty-seven thousand four hundred fifteen > 27,450

• 28,074 = 20,000 + 8,000 + 700 + 4

• 10,000 + 7,000 + 800 > seventeen thousand four hundred ten

• 84,301 = 80,000 + 4,000 + 300 + 10

Which two numbers both round to 4,500 when rounded to the nearest hundred?

• 4,427 and 4,547

• 4,549 and 4,489

• 4,399 and 4,599

• 4,489 and 4,589

Use each digit shown below to create a 5-digit number with the greatest value and a 5-digit number with the least value. Each digit can be used only once in each number. Then write a number sentence using >, < or = to compare the two numbers you created. Be sure to include commas.

3 1 4 7 6

Ms. Smith is buying 2 delivery vans for her business. The price of the first van is shown below.

$12,458

The digit 5 in the price of the second van is 10 times the value of the digit 5 in the price of the first van. Which amount could be the price of the second van?

• $12,854

• $25,184

• $14,582

• $21,485

A number, rounded to the nearest thousand, is 24,000. Which number could be the number that was rounded?

• 24,695

• 23,454

• 24,520

• 23,924

Qahn picks 40 apples from an apple tree. He uses 13 of them to make applesauce. He places the remaining apples equally into 9 gift baskets. Which equation can be used to determine the number of apples, a, that Qahn places into each gift basket?

• (40 – 9) – 13 = a

• (40 + 13) ➗ 9 = a

• (40 ➗ 9) – 13 = a

• (40 – 13) ➗ 9 = a

Jackie and Rayjon play the same computer game and compare their highest score each morning. Today, Jackie said that she scored seventy thousand four hundred four points, and Rayjon said that he scored seventy thousand forty-four points.

Write a number sentence using one of the symbols >, < or = to correctly compare Jackie’s number of points to Rayjon’s number of points. Be sure to include commas.