Jepordivison

Exponents

100

Write 8 × 10 × 10 × 10 × 10 with an exponent.

What is 8x10^4

200

Find the product of 3 × 10^4

30,000

300

There are 2,000 pounds in a ton. How can you write 2,000 with an exponent?

2x10^3

400

Maria saw 2 × 10^2 chipmunks in the park on Saturday. She saw twice as many chipmunks on Sunday as she saw on Saturday. How many chipmunks did she see over the two days?

600

500

Which is true

1. 10 × 10 × 10 × 10 × 10 = 100,000 

2. 10 × 10 × 10 × 10 × 10 = 50 

3. 10 × 10 × 10 × 10 × 10 = 50,000 

4. 10 × 10 × 10 × 10 × 10 = 10^5 

5. 10 × 10 × 10 × 10 × 10 = 50,000

1, 4

Round Decimals

100

Round to the nearest whole number

12.501

13

200

Round all 4 to the nearest whole number

1) 6.7  2) 12.1 3)30.92 4)1.086

1)7

2)12

3)31

4)1

300

1)32.651  2)18.822  3)7.939 4)579.19

Round to the nearest tenth

1)32.7

2)18.8

3)7.9

4)579.2

400

If the area of a park is exactly halfway between 2.4 and 2.5 acres, what is the area of the park?

2.45

500

15.04   15.55   15.508   15.44   15.0   15.49

Find two numbers that round to 15.5 when rounded to the nearest tenth. Write the numbers in the box.  

15.508

15.49

Add/Subtract Decimals

100

86.8+7.811

94.611

200

62.1+39.56

101.66

300

23.07+6.129

29.199

400

89.7-0.8

88.9

500

5119.391-453.559

4,665.832

Place value

100

Write the value of

the 2s in 42,256 

2000

200

200

Write 720,080 in expanded form with exponents

7x10^5 + 2x10^4 + 8x10^1

300

write each number in standard form 

Four hundred twenty-five and fifty-two hundredths

425.52

400

Nico spent eight dollars and seventy-five cents on lunch. Which two items did Nico buy? 

Lunch Menu Item Price Hamburger $4.20 Chef Salad $4.50 Tuna Sandwich $4.05 Pizza $4.25

Chef Salad and Pizza; $4.50 + $4.25 = $8.75

500

1) 5.300    2)3.7    3)0.9   4)2.50

5.3, 5.30 

3.70, 3.700

 0.90, 0.900

 2.5, 2.500

Comparing decimals

100

Order the speeds from least to greatest. 

Driver Average Speed (mph) 

Driver A 145.155

 Driver B 145.827

 Driver C 144.809

144.809, 145.155, 145.827

200

Order from greatest to least

9.129, 9.37, 9.3, 9.219

9.37, 9.3, 9.219, 9.129

300

Order from greatest to least

62.905, 62.833, 62.950, 62.383

62.950, 62.905, 62.833, 62.383

400

The heights of four boys measured 152.0 cm, 150.75 cm, 149.5 cm, and 149.25 cm. Brad is the tallest. Rick is taller than Josh, but shorter than Max. Josh is the shortest. What is Max's height?

150.75 cm

500

Which statements correctly compare two numbers? 1)28.435 < 28.431

2)28.404 < 28.342 

3)28.430 < 28.431 

4)28.431 > 28.419 

5)28.42 > 28.404

3, 4, 5