Rounding & Estimating
Addition
Subtraction
Place Value
Surprise!
100

Round 1,624 to the nearest thousand

2,000

100
What is the mathematical term (word) for the answer to an addition problem?

Sum

100

What is the mathematical term (word) for the answer to an subtraction problem?

Difference

100

Name the place of the underlined digit: 452,782

Tens place

100

What is the value of the 7 in 4,780,482?

700,000

200
Round each number and find an estimated sum:

892 + 1,623

Write an equation to show your work.

900 + 2,000 = 2,900

or 900 + 1,600 = 2,500

200

Find the sum:

1,478 + .27

1,478.27

200

Find the difference: 6,592 - 5,481

1,111

200

Name the place of the underlined digit: 452,782

Thousands place

200

Write the number 34,784 in word form.

Thirty-four thousand, seven hundred eighty-four

300

Round 1,624 to the nearest hundred

1,600

300

Find the sum of 345 and 8,992

9,337

300

Find the difference:

4,801 - 3,783

1,018

300

Name the place of the underlined digit: 452,782

Hundred thousands place

300

In the following number, how many times greater is the first 2 than the second one?

4,221

10 times greater

400

Give an estimated sum of 837 and 412. Write an equation to show your work. 

800 + 400 = 1,200

or 840 + 410 = 1,250

400

Sam and Jim traveled to camp each day from their house. Sam traveled 24.16 miles roundtrip and Jim traveled 9.45 miles roundtrip. How much did they travel altogether.

Write an equation to show your work. 

24.16 + 9.45 = 33.61 miles

400

Find the difference:

8.48 - 4.32

4.16

400

What is the value of the underlined digit 452,782

700

400

In the following number, how many times greater is the first 3 than the second one?

839,301

100 times greater

500

Over the summer, Luke ran a total of 603.37 miles and Mark ran 546.46. ABOUT how many more miles did Luke run than Mark? 

Write an equation to show your work.

600 - 500 = 100

OR 600 - 550 = 50

500

Mike is measuring string for a fishing line. He cuts one piece that is 12.67 meters long and another that is 4.72 meters long. What is the total length of string he used?

Write an equation to show your work.

12.67 + 4.72 = 17.39 meters

500

Find the difference:

4,900,341 - 835,224

4,065,117

500

What is the value of the underlined digit 452,782

50,000

500

In the following number, how many times greater is the first 4 than the second one? 

4,094,210

1000 times greater

M
e
n
u