Term
Which number is the largest?
90
265
24
109
98 |
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Definition
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Term
If I buy ten toy cars for 50 cents each, how much have I spent?
$10.00
$3.50
$4.00
$5.00 |
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Definition
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Term
Add these numbers using a Ballpark Estimate.
47 + 193 = |
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Definition
47 rounds to 50
193 rounds to 200
50 + 200 = 250 (a Ballpark Estimate) |
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Term
Add these numbers using a Ballpark Estimate.
34 + 27 = |
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Definition
34 rounds to 30
27 rounds to 30
30 + 30 = 60 (a Ballpark Estimate) |
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Term
Add these numbers using a Ballpark Estimate.
719 - 486 = |
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Definition
719 rounds to 700
486 rounds to 500
700 + 500 = 1200(the Ballpark estimate) |
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Term
Add these numbers using a Ballpark Estimate.
309 - 217 = |
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Definition
309 rounds to 300
217 rounds to 200
300 + 200 = 500 (a Ballpark Estimate) |
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Term
Estimate the total number of ^
^^^^^
^^^^^
^^^^^
^^^^^ |
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Definition
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Term
Estimate the total number of !
! ! ! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! ! |
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Definition
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Term
Estimate the total number of &
&& && && && && && &&
&& && && && && && && |
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Definition
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Term
Which is number is greater?
2,468
6,824 |
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Definition
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Term
Which is number is greater?
4,468
4,824 |
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Definition
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Term
Which number is greater?
9,043
9,403 |
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Definition
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Term
Which number is greater?
104,004
144,000 |
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Definition
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Term
Which number is greater?
920,002
902,020 |
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Definition
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Term
Which number is a little less than 40,000?
a. 39,996
b. 16,110 |
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Definition
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Term
Which measurement is longer?
4 inches
4 centimeters |
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Definition
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Term
Which problem has a greater total? Use Ballpark estimates.
52 + 8
44 + 31 |
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Definition
50 + 10 = 60
40 + 30 = 70 This number is greater. |
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Term
Use a Ballpark Estimate to get a total:
476 + 231 = |
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Definition
476 rounds to 500
231 rounds to 200
500 + 200 = 700 (Ballpark Estimate) |
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Term
Solve the problem with a Ballpark Estimate:
27 + 49 + 12 = |
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Definition
27 rounds to 30
49 rounds to 50
12 rounds to 10
90 is the Ballpark Estimate |
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Term
Get a Ballpark Estimate for the answer to this problem:
89 + 61 + 199 = |
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Definition
89 rounds to 90
61 rounds to 60
199 rounds to 200
200 + 60 + 90 = 350 |
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