Chapter 3 Review

Find the product. Check weather your answer is reasonable. 73x7.

• Estimate: 400 Actual answer: 511

• Estimate: 490 Actual answer: 511

• Estimate: 511 Actual answer: 490

• Estimate: 500 Actual answer: 500

Find the product. Check whether your answer is reasonable. 402x3

• Estimate: 1400 Actual answer: 1511

• Estimate: 2000 Actual answer: 1954

• Estimate: 1200 Actual answer: 1206

• Estimate: 1206 Actual answer: 1200

Find the product. Check whether your answer is reasonable.

• Estimate: 2000 Actual answer: 1950

• Estimate: 2100 Actual answer: 1954

• Estimate: 1900 Actual answer: 1945

• Estimate: 2000 Actual answer: 1954

Compare: 6x789 _____2x2,367

• >

• <

• =

Use properties to find the products.

25x9x4

• 900

• 360

• 109

• 925

Use properties to find product. 3x497

• 1,591

• 1200

• 3,402

• 1,491

Use properties to find the products. 699x9

• 6,912

• 5481

• 6,291

• 5,000

A musical cast sells 1,761 tickets for a big show. The cast needs to complete 36 days of rehearsal. Each rehearsal is 8 hours long. The cast has rehearsed for 102 hours so far. How many hours does the cast have left to rehearse?