Comparing and Rounding Decimals
Adding and Subtracting Decimals
Multiplying and Dividing Decimals
factorization
other
100
When comparing decimals what must I do first?
Line up the decimal points
100
What is the sum of 6.035 and 3.21?
9.245
100
When multiplying decimals, how do you know where to put the decimal?
You have to count the number of decimal places in the original problem and move the decimal the same number of places in the answer.
100
What is factor?
Factors are numbers that are used in a multiplication problem to get a product.
100
What is a prime number?
A prime number is a number with only 2 factors ... one and itself.
200
Complete the statement using <, >, = 12.01 ______ 12.101
12.01 < 12.101
200
What is 32.9 + 4.003?
36.903
200
What is 3.7 x 9?
33.3
200
What are all the factors of 24?
The factors of 24 are 1 x 24, 2 x 12, 3 x 8, 4 x 6 so, 1, 2, 3, 4, 6, 8, 12, 24
200
In the equation 17 + a = 32, what is the value of a?
The value of a is 15.
300
Order the decimals from least to greatest: 0.25, 0.5, 0.05, 5.2
0.05, 0.25, 0.5, 5.2
300
What is the value of the expression? 15.2 + 9.8 - 7.12 - 2.07?
15.81
300
What is 8.9 x .25?
2.225
300
List all the common factors of 24 and 36
The common factors are: 1, 2, 3,3 4, 6, 12
300
What is the perimeter of a rectangle that is 4' x 8'?
The perimeter is 4 + 4 + 8 + 8 = 24'
400
Round 8.4746 to the nearest thousandth.
8.475
400
Elijah bought new basketball shoes for $35.78, a new jersey for 17.99 and a hat for $12.50. If he paid with a hundred dollar bill, what was his change?
He spent $66.27 total. $100 - 66.27 = $33.73
400
What is 10.92 divided by 3.9?
2.8
400
What is the prime factorization of 60?
The prime factorization of 60 is 2 x 2 x 3 x 5
400
Mr. Jones wants to put grass in his back yard. If his yard is 27' x 18' how much grass will he need?
He will need 27' x 18' = 486 square feet of grass.
500
On Monday Jeff sold 3 raffle tickets. On Tuesday he sold 6 tickets. On Wednesday he sold 9 tickets. If the pattern continues through Friday, how many tickets will Jeff sell on Friday?
15 tickets on Friday.
500
Jason was paid $24.99 for delivering papers and $22.50 for mowing people grass. If he spent $15 on a CD at Target and 7.99 at the movies how much does he have left?
He earned $47.49 total and spent $22.99 so he has $24.50 left.
500
What is 20.1292 divided by 9.8? Round to the nearest hundredth.
2.05
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