homework_remembering_te_grade_4-1zwawpi

2-5
Name
Date
Estimate each product. Solve to check your estimate.
1. 4 × 26
4 × 30 = 120;
4 × 26 = 104
4. 4 × 84
4 × 80 = 320;
4 × 84 = 336
2. 5 × 63
5 × 60 = 300;
5 × 63 = 315
5. 2 × 92
2 × 90 = 180;
2 × 92 = 184
3. 7 × 95
7 × 100 = 700;
7 × 95 = 665
6. 3 × 76
3 × 80 = 240;
3 × 76 = 228
Estimate the answers. Then solve each problem.
Show your work.
7. The Bicycling Club is participating in a cycling event.
There are 65 teams registered for the event.
Each team has a total of 8 cyclists. How many cyclists
will participate in the event?
70 × 8 = 560; 65 × 8 = 520 cyclists
8. The theater group is making costumes for their play.
There are 9 costume changes for each of the 23 performers.
How many costumes does the theater group need?
9 × 20 = 180, 9 × 23 = 207 costumes
© Houghton Mifflin Harcourt Publishing Company
9. The town library shows 6 different books each day in the
display case. The library is open 27 days in one month.
How many books does the library need for the display?
30 × 6 = 180, 27 × 6 = 162 books
Write and solve a multiplication word problem.
10.
Word problems will vary.
UNIT 2 LESSON 5 Estimate Products 37