Topic 1 Review

Exponents, Decimals, and Fractions

100

8 x 10^{5 =}

800,000

200

True or False. If false, what is it equal to?

10^{4 is equal to 10,000}

True

300

What is 60/1,000 written as a decimal?

0.060

400

True or False. If false, what is it equal to?

7x10³ is equal to 70,000

False

500

What is 0.50 written as a fraction?

50/100

Number Representations

100

What is "two hundred fifty seven thousand, six hundred thirty one" in STANDARD form?

257,631

200

What is (6x1) + (5x1/10) + (7x1/100) + (2x1/1,000) in standard form?

6.572

300

What is 8.368 in number/word form?

eight and three hundred, sixty-eight thousandths

400

What is three hundred seventy one thousand, eight hundred forty five and twenty-two hundredths in expanded exponent form? 

(3x10⁵) + (7x10⁴) + (1x10³) + (8x10²) + (4x10¹) + (5x1) + (2x1/10) + (2x1/100)

500

Write the following number in standard form:

(9x10) + (2x1/100) + (7x1/1000)

90.027

Place Value

100

True or False:

The 6 in the thousands place in, 6,3036 is 10x larger than the 6 in the ones place

False

200

What is 1/10 of 6,000?

600

300

What comes next in the number pattern?

500, 50, 5, 0.5

0.05

400

True or False

7.055 is 1/10 of 70.55

True

500

What place value is the 5 in, in the number 30.957?

hundredths

Rounding

100

What is 52.75 rounded to the nearest tenth?

52.8

200

What is 5.698 rounded to the nearest whole number?

6

300

What is 52.752 rounded to the nearest tenth? Explain/Show how you got your answer.

52.8

7 will stay the same or go up

5 is bossing 7 to go up because it is greater than 5

400

Which number is larger when you round them each to the nearest whole number? What do each of these numbers round to?

36.79

36.44

36.79 = 37

36.44 = 36

36.79 is larger

500

What is 8,762,435.956 rounded to the nearest tenth?

8,762,436

Comparing Decimals

100

2.36 > which number:

3.26

3.062

2.306

2.37

2.306

200

True or False. If false, what number can make this statement true without changing the first number or the less than sign?

8.957 < 8.907 

False

8.957 < 8.958

300

Laura shaded 60 squares on her hundredths grid. Billy shaded 50 squares on his hundredths grid. What fraction did each person shade in? What is that fraction in a decimal?

Laura shaded 60/100     0.60

Billy shaded 50/100       0.50

400

Eddy's plum weighs 3.042 ounces. Desta's plum weighs 3.24 ounces. Whose plum weighs more? How can you tell?

Desta's plum weighs more because when you stack them and check their place values left to right, 3.24 has a larger number in the tenths place than 3.042.

500

True or False. If false, what number can make this statement true without changing the first number or the greater than sign?

6.203 > 6.32

False

6.203 > 6.1