Multiplicative Comparisons
Multiply by tens, hundreds and thousands
Estimate the product
100

James has 3 times as many apples as sarah. Sarah has 4 apples. how many apples does james have ?

12 apples

100

40 x 3 = 

120

100

Estimate 41 x 8 by rounding to the nearest ten

320

200

a car is 5 times faster than a bike. if the bike travels at 12 miles per hour, how fast is the car ?

60

200

300 x 5 = 

1,500

200

Estimate the product. 326 x 3 = 

900

300

a field is 8 times larger than a garden. if the garden is 15 acres, how large is the field ?

120

300

60 x 200 = 

12,000

300

Estimate the product by rounding to the nearest hundred. 672 x 7 

4,900

400

Sarah is 4 times as old as her little brother. if her brother is 7 years old , how old is Sarah?

28 years old 

400

700 x 8 = 

5,600

400

Estimate the product by rounding to the nearest thousand. 1,245 x 4 = 

4,000

500

a factory produces 6 times as many boxes as a workshop. The workshop produces 25 boxes in a day. How many boxes does the factory produce in a day ? 

150 boxes

500

1,000 x 12 = 

12,000

500

Estimate the product by rounding to the nearest hundred. 1,245 x 4 = 

4,800