Use mental math to find the sum. (3.NBT.2)
9. 46 + 14 +
10. 39 + 243 +
11. 326 + 402 +...
Mathematics, 26.08.2021 05:10 dawood2042
Use mental math to find the sum. (3.NBT.2)
9. 46 + 14 +
10. 39 + 243 +
11. 326 + 402 +
Estimate. Then find the sum. (3.NBT.2)
12. Estimate:
13. Estimate:
14. Estimate:
15. Estimate:
Houghton Mifflin Harcourt Publishing Company
164
356
+442
545
+ 139
437
+ 184
+230
Chapter 1 33
Answers: 2
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