homework_remembering_te_grade_4-1zwawpi

2-16
Name
Date
Add or subtract.
1. 23,152
- 10,894
2. 308,000
- 175,296
3. 827,381
+ 154,338
__ __ __
12,258 132,704 981,719
Solve each multiplication problem using any method. Use
rounding and estimation to check your work. Check students’ work.
4. 21 × 36 5. 48 × 16 6. 53 × 99 7. 64 × 72
756
768
5,247 4,608
Solve using any method and show your work. Check your
work with estimation.
8. 45 × 91 9. 26 × 33 10. 47 × 52 11. 87 × 14
4,095 858
2,444
1,218
12. Stretch Your Thinking Lily says that 4 × 7,000 has
the same product as 7 × 4,000. Is she correct? Explain
using the Associative Property of Multiplication.
Yes, Lily is correct. Possible answer: you can
write the factors 4 × 7,000 as 4 × (7 × 1,000)
or as (4 × 7) × 1,000 using the Associative Property.
© Houghton Mifflin Harcourt Publishing Company
60 UNIT 2 LESSON 16 Multiply One-Digit and Four-Digit Numbers