5th - 6th Math Competition (1/2)

Number Sense

100

Write from least to greatest

6, -10, 14, -7

-10, -7, 6, 14

200

Write >, <, or =

408,628,421 ___ 406,958,502

>

300

Write in standard form

Seven million, six hundred five thousand, ten

7,605,010

400

Write in standard form

(2 x 100,000,000) + (5 x 100,000) + (3 x 1,000) + (6 x 100) + (4 x 10) + (9 x 1)

200,503,649

500

Write in standard form

seven and eight hundred sixty-three thousandths

7.863

Addition

100

73 + 89 = ___ + 73

89

200

(475 + 225) + 350 = 475 + (___ + 350)

225

300

12,375 + 27,803

40,178

400

$87.63 + $40.09

$127.72

500

1,758 +269 + 1,072

3,099

Subtraction

100

493 - ___ = 493

0

200

5,278 - 3,038

2,240

300

62,099 - 21,586

40,513

400

$6.00 - $3.45

$2.55

500

100,000 - 59,631

40,369

Multiplication

100

Write the first 6 multiples of 7

7, 14, 21, 28, 35, 42

200

400 x 80 =

32,000

300

25 x 42 = 20 x 42 + ___ x 42

5

400

83 x 42 =

50,996

500

671 x 76 =

50,996

Division

100

24/8 = 

3

200

86/3 = 

28r2

300

6 x ___ = 114

19

400

5,388/2 =

2,694

500

List all the factors of 24

1, 2, 3, 4, 6, 8, 12, 24