Question

Benjamin buys 15 loaves of bread that are each 1.24 kg.

Benjamin says he bought 18.6 kg of bread.

Use estimation to show that his answer is reasonable.

Drag the numbers into the boxes to complete the number sentence.

____x____= kg
1 2 15 30 100 125 200 1500 1875 3000

Answer 1

See below.

Explanation:

1.24 is approximately 1 and 1 quarter.

1/4 of 15 is 3.75

15 + 5.75 = 18.75

His answer, 18.6 is close to 15.75, so it is reasonable.