Number Sense
Addition
Subtraction
Multiplication
Division
100

Round to the nearest hundred 623

600

100

457 + 323 =

780

100

145 - 32

113

100

12 x 6

72

100

64/8

8

200

What is the value of the underlined digit?

372,799

2,000

200

1,467 + 2,207

3,674

200

256-122

134

200

15 x 10

150

200

131/12

11

300

Which digit is in the tens place?

1,698

9

300

320,400 + 52,301

372,701

300

2,583-692

1,891

300

37 x 7

259

300

126/9

14

400

What number has 9 hundred thousands, 5 ten thousands, 3 thousands, 5 hundreds, 4 tens, and 1 one?

953,541

400

52,475 + 37,128

89,603

400

456,982-78,271

378,711

400

16x14

224

400

336/8

42

500

Round to the nearest hundredth. 753.678

753.68

500

372,701 + 23,987

396,688

500

821,206-795,112

26,094

500

48 x 23

1,104

500

3,024/7

432