Place Value/Rounding
Powers & Exponents
Estimate Products
What is the correct sum or product ?
Word Problems
100

What is 81.574 rounded to the tenth place ? 

81.6

100

What is equivalent to 10 to the 4th power? 

10 x 10 x 10 x 10 or 10,000

100

329 x 11= ? 

( Round to the nearest tenth) 

329 rounds to 330 

11 rounds to 10 

330 x 10 = 3,300

100

1,384 + 413 = ?

1,797

100

Selvin walks 5.38 miles yesterday. He walked 1.19 miles today. About how many miles did Selvin walk both days ?

6.57 or 6 

200

What is 10.976 rounded to the nearest hundredth place ?

10.98

200

Write the exponential form of : 

10 x 10 x 10 x 10 x 10 x10 

10 to the power of 6 

200

499 x 51= ? 

(Round to the nearest tenth)

499 rounds to 500 

51 rounds to 50 

500 x 50 = 25,000

200

5,589 + 3,663 = ? 

9,252

200

Lia makes 2.9 liters of lemonade. After serving her friends, she has 0.19 liter left. How many liters of lemonade did Lia serve for her friends? 

2.71

300

Write the number : 90,000 + 4,000 + 800 + 40 + 4

94,844

300

Each day, Thiago has a goal of walking 100,000,000 steps. What is this number as a product of 10's ? What is this number exponential form ? 

10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 

300

24 x 702 = ?

(Round to the nearest tenth)

24 rounds to 20

702 rounds to 700 

20 x 700 = 14,000

300

What is the product of 20 x 44 

880

300

Shirley and Kerly goes to lunch together to catch up at their favorite restaurant. The total cost for two entree's was $50.75. The total cost of Shirley meal was $18.00. What was the cost of Kerly meal ? 

$32.75

400

Dona says that 35.284 rounded to the nearest hundredth is 35.29. Do you agree? Explain  

No, I disagree because 35.284 rounded to the nearest hundredth is 35.28

400

69 times 10 to the third power equals ? 

69,000

400

57 x 509 = ? 

( Round to the nearest tenth)

57 rounds to 60 

509 rounds to 500

60 x 500 = 30,000

400

What is the product of 36 x 40 = ?

1,440

400

Ms. A went to go shopping for a new puppy. She weighs the two puppies she is interested in. The first puppy weighs 2.88 kilograms. The second weighs 2.35 kilograms more than the first puppy. 

What is the weight of the second puppy?

5.23 kg

500

There is $78.69 in a checking account. The amount needs to be rounded to the nearest whole number. Allyson says there is about $78 dollars in the account and Adrianna says there is about $79 in the account. Who is correct? Explain ...

Adrianna is correct. $78.69 is closer to $79 than $78. The amount rounded to the nearest 10th  

500

247 times 10 to the second power ? 

24,700

500

Victor sells 321 sport passes for $14 each. He says that he collects $494. Is his calculation reasonable ? 

The best estimate is 320 x 10= 3,200. This calculation is far from his estimate, which shows that he calculation isn't reasonable. 

500

What is the sum ? 

12.56 + 10.25 + 9.02 +5.40 = ?

37.23

500

Jayden and Cornell went fishing with their dad. The first fish weighs 3.5 pounds. The second fish weighs 0.42 pounds less than the first fish. What is the COMBINED weight of the two fish ?

6.58