Number Sense
Addition
Subtraction
Rounding
FINAL JEOPARDY
100

What is the value of the 2 in the following number? 

54, 298

200?

100

What do we call the answer to an addition problem?

Sum

100

What do we call the answer to a subtraction problem?

Difference

100

Round to the nearest 10.

56

60

200

54,365 _______54,565

> , < , or =

<

200

Solve 382 + 679.

1061

200

Solve: 8,001 - 7,948

 53

200
Round to the nearest 100.

123

100

300

What digit is in the millions place?

5, 345, 541

5

300

Solve 8,246 + 5,173 using the standard algorithm.

13,419

300

Solve 424 - 216 

208

300

Round to the nearest 1,000.

5,678


6,000

400

Write the number in expanded form.

4, 578,952

4,000,000 + 500,000 + 70,000 + 8,000 + 900 + 50 + 2
400

Solve 438 + 291 

 729

400

Solve: 

5,368 - 3,459

1,909

400

Estimate.

7,789 + 3,254 = ?

8,000 + 3,000 = 11,000

400

A blue wire was 240 meters long. 

After 60 meters was cut off, it was double the length of a red wire.

How much longer was the blue wire than the red wire at first?

150 meters

500


What is the expanded form of 5,369?

5000 + 300 + 60 + 9

500

Hannah has 34 apples, Brian has 25 apples more than Hannah. How many apples do they have altogether?

93 apples

500

An elementary school collected 1,705 bottles for a recycling program. A high school also collected some bottles. Both schools collected 3,627 combined. 

How many bottles did the high school collect?

1,922 bottles

500

Estimate and solve. 

89,300 - 54,700 = ?

90,000 - 50,000 = 40,000

500

Jerry's car had 86,456 kilometers on it. 

Of that distance, Jerry's wife drove 24,901 kilometers. 

His son drove 7,997 kilometers. 

Jerry drove the rest. 

How many kilometers did Jerry drive?

53,558 kilometers