James has 3 times as many apples as sarah. Sarah has 4 apples. how many apples does james have ?
12 apples
40 x 3 =
120
Estimate 41 x 8 by rounding to the nearest ten
320
a car is 5 times faster than a bike. if the bike travels at 12 miles per hour, how fast is the car ?
60
300 x 5 =
1,500
Estimate the product. 326 x 3 =
900
a field is 8 times larger than a garden. if the garden is 15 acres, how large is the field ?
120
60 x 200 =
12,000
Estimate the product by rounding to the nearest hundred. 672 x 7
4,900
Sarah is 4 times as old as her little brother. if her brother is 7 years old , how old is Sarah?
28 years old
700 x 8 =
5,600
Estimate the product by rounding to the nearest thousand. 1,245 x 4 =
4,000
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
1,000 x 12 =
12,000
Estimate the product by rounding to the nearest hundred. 1,245 x 4 =
4,800