rounding whole numbers rounding decimals whole number estimation decimal estimation * click the star...
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ROUNDING AND ESTIMATION
MATH STARS
100
100
100
10020
0200
200
20030
0300
300
30040
0400
400
40050
0500
500
500
Rounding Whole
NumbersRounding Decimals
Whole Number
EstimationDecimalEstimati
on
* Click the star on the desired box first and then click the box itself.
CATEGORY 1QUESTION 1
Round to the nearest ten
347
CATEGORY 1ANSWER 1
Round to the Nearest Ten
350
CATEGORY 1QUESTION 2
Round to the Nearest Hundred
1,245
CATEGORY 1ANSWER 2
Round to the Nearest Hundred
1,200
CATEGORY 1QUESTION 3
Round to the Nearest Thousand
23,089
CATEGORY 1ANSWER 3
Round to the Nearest Thousand
23,000
CATEGORY 1QUESTION 4
Round to the nearest Hundred Thousand
56,000
CATEGORY 1ANSWER 4
Round to the Nearest Hundred Thousand
100,000
CATEGORY 1QUESTION 5
Round to the Nearest Million
623,980,314
CATEGORY 1ANSWER 5
Convert Expanded Notation to Standard Form
624,000,000
CATEGORY 2QUESTION 1
Round to the Nearest Ten
567.2
CATEGORY 2ANSWER 1
Round to the Nearest Ten
570
CATEGORY 2QUESTION 2
Round to the Nearest One
43.9
CATEGORY 2ANSWER 2
Round to the Nearest One
44
CATEGORY 2QUESTION 3
Round to the Nearest Tenth
245.74
CATEGORY 2ANSWER 3
Round to the Nearest Tenth
245.7
CATEGORY 2QUESTION 4
Round to the Nearest Hundredth.
1,239.367
CATEGORY 2ANSWER 4
Round to the Nearest Hundredth
1,239.37
CATEGORY 2QUESTION 5
Round to the Nearest Tenth
78.04
CATEGORY 2ANSWER 5
Round to the Nearest Tenth
78
CATEGORY 3QUESTION 1
Estimate the Sum
47 + 36
CATEGORY 3ANSWER 1
Estimate the Sum
90
CATEGORY 3QUESTION 2
Estimate the Difference
693-415
CATEGORY 3ANSWER 2
Estimate the Difference
300
CATEGORY 3QUESTION 3
Estimate the Product
49 x 48
CATEGORY 3ANSWER 3
Estimate the Product
2,500
CATEGORY 3QUESTION 4
Estimate the Quotient
31 ÷ 11
CATEGORY 3ANSWER 4
Estimate the Quotient
3
CATEGORY 3QUESTION 5
Sarah makes $34 a day babysitting the
neighbor’s kid. Estimate how much
money she will make in five days.
CATEGORY 3ANSWER 5
$150
CATEGORY 4QUESTION 1
Estimate the Sum
4.9 + 2.3
CATEGORY 4ANSWER 1
Estimate the Sum
8
CATEGORY 4QUESTION 2
Estimate the Difference
67.9-3.1
CATEGORY 4ANSWER 2
Estimate the Difference
65
CATEGORY 4QUESTION 3
Estimate the Product
49.9 x 1.8
CATEGORY 4ANSWER 3
100
CATEGORY 4QUESTION 4
Estimate the Quotient
64.2 ÷ 2.3
CATEGORY 4ANSWER 4
Estimate the Quotient
32
CATEGORY 4QUESTION 5
If Millie studies for 3.4 hours a day. How many
hours will she have studied in 32 days?
CATEGORY 4ANSWER 5
90 hours
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