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Study Guide
Estimating Sums
Adding Whole Numbers
Adding Whole Numbers
Misc.
100
467,358 + 423,110 ___________
What is 890,468
100
This technique/method can be used to check our work and to make sure that our answers are reasonable.
What is estimating?
100
320 + 142
What is 462?
100
Find the sum. 247 + 312
What is 559?
100
What number is in the hundreds place? 12,762
What is seven?
200
Sarah is buying a car. She found Car A for $12,353, Car B for $2,879 and Car C for $5,623. She could also upgrade each one with a stereo system for $820. What is the combined total of Car A and Car C?
What is $17,976?
200
Estimate the sum. Round to the nearest 10. 426 + 274 _________
What is 700 ?
200
524,842 + 371,910
What is 896,752?
200
421+319=730 Is this sum correct?
What is no?
200
What number is in the ten thousands place? 42,678
What is 4?
300
Sarah is buying a car. She found Car A for $12,353, Car B for $2,879 and Car C for $5,623. She could also upgrade each one with a stereo system for $820. b. What is the combined total of all three cars?
What is $20,855?
300
Estimate the sum. Round to the nearest 100. 527 + 482 ________
What is 1,000?
300
724,321 + 325,123 ___________
What is 1,049,444?
300
Find the sum. 4,572 + 2,391
What is What is 6,963?
300
Find the sum. 6,000 + 1,473 __________
What is 7,473?
400
This is the total sales from Sam's Candy Store: Licorice ($5,678) Chocolate (?) Bubble Gum ($456) a. Chocolate made $854 more than licorice. How much money in total sales did chocolate have?
What is $6,532?
400
Estimate to find the sum. Round to the nearest hundred. 12,459 + 6,421 __________
What is 18,900?
400
321+276+174
What is 781?
400
Find the sum. 4,087 + 496 ________
What is 4,583?
400
Missouri's capital
What is Jefferson City?
500
This is the total sales from Sam's Candy Store: Licorice ($5,678) Chocolate ($6,532) Bubble Gum ($456) B.How much in total sales did all the candy have? C. Is your answer to part B reasonable? Explain
What is B)$12,666 C) I used estimation and rounding to check my answer. $12,700 (Nearest hundred) or $12,670 (nearest ten). The actual answer is pretty close to either of these estimated answers.
500
Estimate to find if 103,000 is a reasonable estimated sum for 83,595+18,999.
What is yes.
500
2,456+1,472+3,182
What is 7,110?
500
Find the sum. 76,118 + 4,231 _________
What is 80,349?
500
the tallest building in the United States.
What is One World Trade Center?