Math Review 1/12

Comparing Decimals

100

Greater than >, less than <, or equal to =?

0.5   O   0.989

less than <

200

Greater than >, less than <, or equal to =?

23.08   O   25.1

less than <

300

Greater than >, less than <, or equal to =?

3.04   O   3.040

equal to =

400

Greater than >, less than <, or equal to =?

0.8   O   0.109

greater than >

500

Greater than >, less than <, or equal to =?

28   O   2.89

greater than >

Multiplication

100

6 x 6

36

200

10 x 7

70

300

9 x 5

45

400

8 x 8

64

500

6 x 7 

42

Place Value System

100

Write eight and sixty-three hundredths in standard form. 

8.63

200

Write fifty-five thousandths in standard form. 

0.055  or .055

300

956.22   x   10²  =  

95,622  or  95622.

400

320.534 ➗ 10³ =

.320534

500

5 x 10² x 5 =

2500 or 2,500

Rounding

100

Round 26 to the nearest ten. Hint: Is it closer to 20 or to 30? 

30

200

Round 54.365 to the nearest whole number. Hint: There won't be a decimal number in your answer. 

54

300

Round 123.45 to the nearest tenth.

123.5 OR 123.50

400

What number, when rounded to the nearest ten thousand, rounds to 470,000? 

a. 463,313 

b. 465,313 

c. 459,313 

d. 475,313

b. 465,313

500

Round to the nearest hundredth. 

576.536

576.54 OR 576.540

RANDOM

100

add: 5.67+2.34

8.01

200

Subtract: 93.45-39.6

53.85

300

61 x 23 =   

Hint: stack up the numbers to multiply

1,403

400

The place value of the 5 in 1.257

hundredths

500

simplest form of 4/16

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