Solve Estimate/Rounding
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Find the Fact and Solve
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Part 2
Chapters 1 & 2
Review
100
75 x 23=
80 x 20= 1,600
100

35 X 12

420

100

900X70

63,000

100
27 x 18 =
The answer is 486. The chart paper shows the work.
100

Rounded this number to the nearest hundreds: 368

400

200
29 x $47=
30 x $50 = $1,500
200

89X87

7,743

200

70X40

2800

200
38 x 45=
The answer is 1,710. The chart paper shows the work.
200

What are the factors of 7? And is this a Prime or composite number?

1 x 7

7 x 1

Prime

300
33 x 96=
30 x 100= 3,000
300

34X16

544

300

600X90

540

300

The 25 students in Mr.Correa's class each collected 5 bags of candy for the trunk-or-treat. How many bags of candy were collected by Mr. Correa's class?

The answer is 125 bags of candy

300

What is the value of the 8 in this number?  AKA: (What is the 8 worth in this number)

26,843

800

400

Mr. Soto types 82 words in one minute. About how many words can she type in 15 minutes?

80 x 20 = 1,600

400

98X42

4,116

400

8000X60

480,000

400
66 x 88 =
The answer is 5,808. The chart paper shows the work.
400

What is twenty-two thousand six hundred fifty-eight in standard form?

22,658

500

Mrs. Dyce travels 44 miles for work each week. He worked 42 weeks last year. About how many miles did Mrs. Dyce travel for work last year?

40 x 40 = 1,600

500
28X24

672

500

20,000X6

1,200,000

500
94 x 78 =
The answer is 7,332. The chart paper shows the work.
500
For one movie, the movie theater sold 67 adult tickets for $14 each and 34 child tickets for $8 each. How much money did the movie theater collect for this movie?
67 x $14 = $938 34 x $ 8 = $272 $938 + $272 = $1,210
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