When you add/subtract decimals, what do you need to do?
Line up the decimal
100
When you multiply decimals, how do you know where the decimal goes in the answer?
Count the number of place values used in the problem.
100
How do you multiply fractions?
Multiply straight across (numerator x numerator and denominator times denominator)
100
Round this number to the nearest tens place:
146,793
146,790
200
The answer in a multiplication problem
The product
200
What is the second step in addition/subtraction of decimals?
Annex zeros (fill in zeros to hold the place values)
200
What needs to be changed in order to divide decimals?
The divisor needs to become a whole number
200
What is the first thing you should do when you are multiplying OR dividing fractions?
Make any mixed numbers or whole numbers into improper fractions
200
Round to the nearest ten thousand:
347,869,498
347,870,000
300
In the problem 146.3 divided by 5.2, 5.2 is called the...
The divisor
300
Add:
157.2 + 6.81
164.01
300
15.2 x 5.22
79.344
300
What should we do when we finish multiplying or dividing the fractions?
SIMPLIFY!!!!
300
Round to the nearest hundredth:
1,692,633.5567
1,692,633.5600
400
When dividing fractions, what is the vocabulary term for flipping the fraction over.
Finding the reciprocal.
400
623.3 - 600.78
22.52
400
86.52 divided by 4.2
20.6
400
2 and 1/5 x 3 and 1/2
7 and 7/10
400
Find the LCM of 18 and 24
72
500
George has a 15.3 page long book report to finish by Friday. On Monday he does 4.48 pages. On Tuesday he does 5.23 pages. On Wednesday he does 1.9 pages. How many pages does George have left?