1. What’s a REASONABLE estimate? (11 A)
Amber was shooting baskets at gym. On her first try she shot 23 baskets. On her second try she shot 19 baskets. About how many free thrown baskets did Amber shoot?
A little more than 40
A little less than 40
A little more than 30
A little less than 30
Let’s find the actual number and then compare it to the rounded number!

2. Write the numbers below in expanded form. (200 + 30 +6)
376 _________________________________________
26tens and 13 ones _______________________________
Four thousand, twelve___________________________
273

3. Write the value of the underlined digit?
6, _______________
6,876,843 _________________
800
6,000,000

4. Round the numbers below to the nearest thousand.
4,321 ______________
76, _____________
5, _____________
4,000
77,000
5,000

5. What’s a REASONABLE estimate? (11)
Alex rode his bike 12.8 miles. Then he had a flat tire and had to walk 6.1 miles. About how many miles did Alex travel that day?
A little more than 18
A little less than 18
A little more than 19
A little less than 19
Let’s find the actual number and then compare it to the rounded number!

6. Write the numbers below in standard form. ( 2,378)
________________________
16 hundreds, 8 tens and 23 ones ____________________
Three hundred sixteen thousand, five hundred two _________
5,068
1,703
316,502

7. Write the name for each group of three numbers.
(millions, thousands, units/ones, billions)
987, , ,
_______ ________ _______ ________
billions
thousands
millions
ones/units

8. 20,000 Round the numbers below to the nearest ten thousand.
24,821 ______________
29, _____________
15, _____________
20,000
30,000
20,000

9. Mr. Johnson drove 489 miles on Monday.
He drove 100 fewer miles on Tuesday.
How many miles did he drive on Tuesday?
589
499
389
479

10. What’s a REASONABLE estimate? (11)
Amanda went to the movies and spent $ She gave the clerk $ ABOUT how much change did Amanda receive back?
A little more than $10
A little less than $10
A little more than $11
A little less than $11
Let’s find the actual number and then compare it to the rounded number!

11. 325 415 515 525 Mrs. Baxter made cookies for the school fair.
On Monday she made 425 cookies and on Tuesday, she made 100 more cookies. How many cookies were sold on Tuesday?
325
415
515
525

12. Which of the following is another name for 3410?

13. Which is another name for 5000 + 90 + 3?
5093
5903
5090
50,903

14. What’s a REASONABLE estimate? (11)
Louisa say lots of people at the Big E fair in Massachusetts over the weekend. On Saturday she saw 2,821 people there. On Sunday there were 8,199 people there. About how many more people did Louisa see on Sunday?
A little more than 5,000
A little less than 5,000
A little more than 6,000
A little less than 6,000
Let’s find the actual number and then compare it to the rounded number!

15. Which means the same as 48 tens?
4800
408
480 48
Hint: Remember how many zeros are in a number in the tens place!

16. Which means the same as 3147?
2 thousands, 14 hundreds, 7 ones
3 thousands, 11 hundreds, 47 tens
3 thousands, 14 hundreds, 7 tens
2 thousands, 11 hundreds, 47 ones
Hint: Solve each problem with an addition sentence!

17. In which number does the 3 have the greatest value?
3265
2356
2653
6532
Hint: circle the 3 in each number to compare!

18. What’s a REASONABLE estimate? (11)
Caelie and her family purchased two new laptops for school this year. The PC they bought was $987 and the MAC they bought was $1,365. ABOUT how much did the two computers cost the family?
A little more than 2,000
A little less than 2,000
A little more than 3,000
A little less than 3,000
Let’s find the actual number and then compare it to the rounded number!

19. What is the value of the 7 in 2573? 7 70 7000 700
Hint: circle the 7 in the number and look at its place!

20. The value of 4329 would change by how much if the
3 were replaced by 6? 3 30
300
3000
Hint: write the new number on top of the old number to compare!

21. Peter ate mini carrots for 8 minutes.
If he ate between 7 and 10 carrots per minute,
how many carrots could Peter have eaten? 50 65 80 45
Hint: Use the Ballpark strategy!

22. Shelly needs to subtract 27,241 from 62,739.
Which of the following would be the BEST estimate for
Shelly to use to estimate the difference?
60,000 – 30,000
60,000 – 20,000
70, ,000
70,000 – 30,000
HINT: round both numbers to the nearest ten thousand first!

23. Mark needs to multiply 281 X 619. Which of the following would be
BEST for Mark to use to ESTIMATE
this product?
200 X 600
300 X 700
300 X 600
200 X 700
HINT: round both numbers first!

24. Maria added 900 + 900. Will Maria’s ESTIMATE
To estimate the sum of ,
Maria added Will Maria’s ESTIMATE
be more or less than the ACTUAL?
More because both number rounded up
More because both number rounded down
Less because both number rounded up
Less because both number rounded down
Hint: solve the actual problem and the estimate, then compare!

25. A vase was on Sale for $18.12. Mrs. Norcel bought
it for Ms. Strever. She paid with a $20 bill.
ABOUT how much change did she receive back?
A little less than $1
A little more than $1
A little less than $2
A little more than $2
HINT: do the subtraction first!

26. The value of 4129 would change by how much
if the 1 were replaced by 6? 5 50
500
5000
Hint: write the new number on top of the old number to compare!

27. Is it an over estimate or underestimate? (10B)
Last Winter Peter and his father went to a bunch of Red Sox games. At the first game there were 28,223 people in attendance. At the second game there were 29,102 people in attendance. Peter estimated that 30, ,000 people were at the two games. Will Peter’s actual be more or less than his estiimate?
More because he rounded both numbers up
More because he rounded both numbers down
Less because he rounded both numbers up
Less because he rounded both numbers down
Let’s compare the actual and the estimate to help us out!

28. What is the value of the 3 in 3245? 3 30 3000 300
Hint: circle the 7 in the number and look at its place!

29. The value of 4863would change by how much if the 4 were replaced by 9?5 50
500
5000
Hint: write the new number on top of the old number to compare!

30. What is the same as 350?
35 hundreds
35 ones
3tens and 5 ones
35tens