Estimating Decimal Products Challenge

What is the product in a multiplication equation?

• The difference between two numbers

• The number of times a number is multiplied

• The answer to a multiplication equation

• The number being multiplied

If you round 3.9 to the highest place value, what do you get?

• 3

• 3.5

• 4.5

• 4

What is the estimated product of 3.9 and 4.2 after rounding?

• 24

• 20

• 16

• 12

What does 12.2 round to when rounded to the nearest ten?

• 20

• 10

• 12

• 15

What is the estimated product of 10 and 9?

• 100

• 90

• 80

• 110

What does 23.79 round to when rounded to the nearest ten?

• 20

• 23

• 24

• 30

Where should the decimal go in the product of 3.9 and 4.2 to make it close to 16?

• Between the 6 and 3

• Between the 1 and 6

• After the 8

• Between the 3 and 8

How many digits to the right of the decimal point are there in the product of 3.9 and 4.2?

• 4

• 3

• 2

• 1

What is the estimated product of 26.2 and 9.9 after rounding?

• 200

• 300

• 250

• 270

Where should the decimal go in the product of 26.2 and 9.9 to make it close to 270?

• Between the 5 and 3

• Between the 3 and 5

• Between the 2 and 3

• Between the 3 and 8