Log inSign up for FREE
Library

Unit 2 Quiz 2

Last updated about 5 years ago
10 questions

Unit 2 Quiz 2

Make an estimate for each problem. Then solve. Use U.S. traditional multiplication. Use your estimate to check whether your answer makes sense. SHOW YOUR WORK.
1

  1. 871 * 6 = ?
Estimate:____________________

1

871 * 6 = ?
Answer using traditional multiplication:____________________

1

2. 54 * 36 = ?
Estimate:____________________

1

54 * 36 = ?
Answer using traditional multiplication:____________________

1

3. 25 * 18 = ?
Estimate:____________________

1

25 * 18 = ?
Answer using traditional multiplication:____________________

1

4. 154 * 23 = ?
Estimate:____________________

1

154 * 23 = ?
Answer using traditional multiplication:____________________

1

Jacob solved a multiplication problem using U.S. traditional multiplication.
His work is shown below.
6 1 3
x 4 2
1226
+ 2452
3678

Explain Jacob’s mistake.

1

Solve the problem using U.S. traditional multiplication. Show your work.
6 1 3
x 4 2