Topic 1 Math Review

Rounding

100

Round 589 to the nearest hundred.

600

200

Round 165,400 to the nearest hundred thousand. 

200,000

300

Round 31.617 to the nearest whole number.

32

400

Round 421.719 to the nearest tenths place.

421.7

500

Round 7.029 to the nearest thousandth place.

7.03

Expanded, Standard, and Word Form

100

What is two hundred eighteen thousand, six hundred forty-two in standard form?

218,642

200

What is (3 x 10⁴) + (4 x 10³) + (8 x 10²) + 6 in standard form?

34,806

300

What is 7 x 10⁸ in standard form?

700,000,000

400

What is one and seventy-three hundredths in standard form?

1.73

500

What is the 142,075 in expanded form AND word form?

100,000+40,000+70+5 or (1 x 10⁵) + (4 x 10⁴⁾ + (7 x 10¹) + 5

One hundred forty-two thousand, seventy-five. 

Comparing Numbers

100

Compare the following numbers using <,>, or =.

3,872    _____   3,782

3,872  > 3,782

200

Compare the following numbers using <,>, or =.

521.01 ____ 521.10

521.01 < 521.10

300

Compare the following numbers using <,>, or =.

1,628.61 ____ 162.861

1,628.61 > 162.861

400

Compare the following numbers using <,>, or =.

7.13 ____ 7.130

 7.13 = 7.130

500

Compare the following numbers using <,>, or =.

5.860 ____ 5.809

5.860 > 5.809

Place Value

100

Which number has a 9 in the hundreds place?

A. 791.09

B. 986.2

C. 192.4

986.2

200

Which digit is in the ten thousands place?

17,029

1

300

What is the value of the digit 6 in the number 386,081?

6,000

400

What is the value of 2 in the number 7.82?

0.02 or 2/100

500

What is the value of the digit 7 in the number 1.72?

0.7 or 7/10

Decimals and Fractions

100

Write 2/10 as a decimal

0.2

200

Write 5/1,000 as a decimal

0.005

300

Write 0.05 as a fraction

5/100

400

Write 0.082 as a fraction

82/1,000

500

Write 103/1,000 as a decimal

0.103