Unit 1 Test Review

Place Value

100

How many times greater is the value of the digit 2 in 2,000 than the value of the digit 2 in 200? (4.NBT.A.1)

10 times greater 

200

How can you compare the numbers? Use >, <, or =. (4.NBT.A.2)

18,625  ____ 6,409  

18,625  > 6,409  

300

 What is 60,375 in expanded form?

6x10,000+3x100+7x10+5x1

or

60, 000 + 300 + 70 + 5

400

What is 51,295 rounded to the nearest thousand?

51,000

500

How can you compare the numbers? Use >, <, or =. (4.NBT.A.2)

85,927 ____ 87,589    

85,927  <  87,589

Subtraction

100

5, 010 - 345

4,665

200

17,425 - 3,680

13,745

300

65,121 - 12,940

52,181

400

82,062 - 50,498

31,564

500

400,000 - 75,620

324,380

Addition

100

2,349 + 8,254

10,603

200

3,548 + 4,615

8,163

300

16,298 + 3,734

20,032

400

24,275 + 78,840

103,115

500

107,035 + 374,025

481,060