Show:
Place Value
Numerical Expressions
Rounding Decimals
Adding and Subtracting Decimals
Multiplying Whole Numbers
100

How much larger is the value of the digit 3 in 903.7 than the value of the digit 3 in 4.31?

10 times larger

100

What is the value of the expression (9+6)x3 when simplified?

45

100

Round 12.642 to the nearest hundredth.

12.64

100

What is 0.62 + 0.25?

0.87

100

What is the product of 9 x 12?

108

200

When an object is viewed with a microscope, the object appears 10 times larger than it appears to the human eye. When an insect is viewed using a microscope, the insect appears to be 8.2 cm long. How long is the insect when viewed with the human eye?

0.82 cm

200

What is the value of the expression 8+(12-4)÷4x2?

12

200

What is 93.527 rounded to the nearest tenth?

93.5

200

What is 13.24 - 11.63?

1.61

200

What is 85 x 6?

510

300

What is the value of the digit 9 when 9.5 is multiplied by 102?

900

300

If a=3 and b=6, what is the value of the expression (b x a) - 5 ?

13

300

Estimate 35.11 + 8.79 + 14.38 by rounding to the nearest whole number. Which numbers do you add?

35 + 9 + 14

300

Mandy buys 3.9 pounds of apples and 4.85 pounds of oranges from the grocery store. How many pounds of apples and oranges does Mandy buy?

8.75 pounds

300

Is the product of 931 x 4 greater than 3,000?

Yes, the product is 3,724.
400

The circumference of the Earth is 40,000,000 meters. How is the circumference of the Earth written in scientific notation?

4 x 107 meters

400

Write an expression to represent 14 less than the product of 8 and 20. 

8 x 20 - 14

400

Tyrone went shopping and bought a CD for $12.95, a magazine for $5.79, and a book for $16.45. Rounding each of these to the nearest whole number, what is a good estimate of the amount he spent?

$35

400

David rides his bike 6.47 miles to the park. Charlie rides his bike 4.38 miles to the park. How much further does David ride his bike than Charlie?

2.09 miles

400

What is the product of 262 x 1,695?

444,090

500

Round $24.73 to the nearest dollar.

$25.00

500
Write the expression that represents the product of 4 and 7 is added to the quotient of 8 and 2.

(8÷2) + (4x7)

500

A gas station sells chewing gum for $0.48 per pack. Based upon this price, what is a reasonable estimate for the total cost of three packs of chewing gum when rounding to the nearest tenth?

$1.50

500

Maria is shipping two boxes to her friend. The first box weighs 5.68 pounds and the second box weighs 8.142 pounds. If the post office rounds the weight of each box to the nearest tenth, what is the total weight in pounds, of the boxes?

13.8

500

What is the value of 2,785 x 143?

398,255