1-1
2-1
3-1
4-1
Ch. 5
100
Estimate the sum by rounding to the place value indicated: 4,689 + 2,469; thousands
7,000
100
x + 5 if x = 17
22
100
Write in expanded form: 1.98
1 + .9 + .08
100
Use a factor tree to form the prime factorization (not using exponents) of: 48
2*2*2*2*3
100
Use Method 1 to find the LCM of: 6 and 9
18
200
Estimate the sum by rounding to the place value indicated: 50,498 - 35,798; ten thousands
10,000
200
x - 13 if x = 28
15
200
Write in standard form: .07 + .006 + .0005
.0765
200
Use a factor tree to form the prime factorization (not using exponents) of: 20
2*2*5
200
Use Method 3 to find the LCM of: 8 and 12
24
300
Estimate the sum by rounding to the place value indicated: 652 + 135; Hundreds
800
300
r8 if r=7
56
300
Write in words: .0472
four hundred and seventy two ten thousandths
300
Use a factor tree to form the prime factorization (not using exponents) of: 66
2*3*11
300
Use Method 2 to find the LCM of: 5, 10, and 15
30
400
Estimate the sum by rounding to the place value indicated: 76 - 23; Tens
60
400
w/6 if w = 42
7
400
Order from least to greatest: 9.5, 9.35, 9.65
9.35, 9.5, 9.65
400
Use a factor tree to form the prime factorization (not using exponents) of: 34
2*17
400
Use any of the 3 methods to solve. Final answer should be in simplest form: 9/10 - 7/8
1/40
500
Paing Paing drives 80 miles on his motorcycle. If the motorcycle gets about 42 miles per gallon of gas, how much gas did he use?
2
500
18x if x = 2
36
500
Write from greatest to least: 4.18, 4.1, 4.09
4.18, 4.1, 4.09
500
List all the factors for: 42
1,2,3,7,14,21,42
500
Use any of the 3 methods to solve the following. Final answer should be in simplest form: 5/12 + 1/6
1/9
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