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How do you know how many decimal places when multiplying decimals?
You count the amount in the factors and that will determine the amount in the product
Solve: 459.12 - 143.892=
315.228
Make into a fraction greater than one
5 1/3 =
16/3
What is the definition of LCM ?
Least Common Multiple: First multiple(the smallest multiple) they have in common.
Solve: 3/4 + 2/8 =
4/4, 8/8, or 1
Rules when adding and subtracting decimals?
Decimal stays in the same space
Order from least to greatest
4; 4.022; 4.002; 4.221
4 < 4.002 < 4.022 < 4.221
11/3 - 5/5 =
2 10/15
What is the LCM of 5 and 4?
5/12 x 4/5=
1/3
What are the steps when dividing fractions?
Ex: 2/3 divided by 4/5
1) Change to multiplying by the reciprocal of the divisor
2) Multiply N and N and D and D
3) Simplify or Convert if needed
I'm buying gas for my car. Gas costs $2.55 per gallon. I buy 7.6 gallons of gas. How much money will I spend?
You will spend $19.38.
3/4 - 3/7 =
9/28
What are all the factors of 96?
1, 2, 3, 4, 6, 8, 12, 16, 24 ,32, 48, 96
3/4 divided by 1/5=
3 3/4
How do I solve a division problem as following?
32.12 divided by 2.3
Get rid of the decimal in the divisor by multiplying both the divisor and dividend by 10
Bryan has one dollar, one quarter, one dime, one nickel, and one penny. How much money does he have?
Bryan has $1.41.
5 1/2 x 3 3/7
What is the Least Common Multiple of 9 and 2?
18
9 divided by 2/3=
13 1/2
Say this number correctly on the first try:
12,348.027
4.05 divided by 1.5
It becomes 40.5 divided by 15 which is equivalent to 4.05 divided by 1.5.
Answer: 2.7
We don't divide fractions we ...
multiply by the reciprocal of the divisor
What is the Least Common Multiple of 9 and 8?
72
1 2/3 - 5/8=
1 1/24