Whole Numbers

UK Secondary (7-11)

Check reasonableness of calculations

Ursula collects beetles. She knows that she has exactly $169$169 of them. Ursula has to move house this week, and must buy storage boxes to transport them.

Which of the following should Ursula buy?

$3$3 boxes that hold $180$180 beetles each.

A

$4$4 boxes that hold $40$40 beetles each.

B

$2$2 boxes that hold $10$10 beetles each.

C

$9$9 boxes that hold $20$20 beetles each.

D

$3$3 boxes that hold $180$180 beetles each.

A

$4$4 boxes that hold $40$40 beetles each.

B

$2$2 boxes that hold $10$10 beetles each.

C

$9$9 boxes that hold $20$20 beetles each.

D

Easy

Less than a minute

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