Multiplication and estimation

Multiplication

P4

Poll

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• Yes

• No

Multiple Choice

320 x 7 =

• 2345

• 2240

• 2840

• 2444

Multiple Choice

The product of 420 and 8 can be estimated to

• 4000

• 3600

• 3200

• 2700

Multiple Choice

54 x 6 =

• 224

• 300

• 334

• 324

Multiple Choice

Isabelle has 28 ant farms. Each ant farm has 89 ants. Which of the following shows the most reasonable estimate of how many ants Isabelle has?

• 28 x 100 $\approx$ 2800

• 20 x 90 $\approx$ 1800

• 50 x 100 $\approx$ 5000

• 30 x 90 $\approx$ 2700

Multiple Choice

A toy store ordered 480 crates of stuffed bears. There are 3 stuffed bears in each crate. What is the best estimate of how many stuffed bears the store ordered?

• 500

• 700

• 1000

• 1500

Multiple Choice

200 x 7

• 1400

• 140

• 14 000

• 14

Multiple Choice

What is 194 x 6 ?

• 1164

• 1064

• 1092

• 1464