GACE BASIC MATH QUESTIONS WITH ACCURATE
ANSWERS
When adding and subtracting fractions you must Accurate Answer -
find the common denominator
Common denominator in fractions is found by changing the fractions to
Accurate Answer - equivalent fractions
If adding 1/2 and 2/3, what is the lowest common denominator
Accurate Answer - 6
What is the answer (after simplification) of adding 1/2 and 2/3
Accurate Answer - 7/6 or 1 1/6
when adding mixed numbers, add the Accurate Answer - fractions first
then whole numbers
When adding mixed numbers after adding the fractions first and the whole
numbers,if the fractions sums to more than one Accurate Answer - add
the one to the whole number sum
Subtract 3 2/5 and 1 4/5 Accurate Answer - 1 3/5
Multiply 2/5 * 3/4 Accurate Answer - 6/20 = 3/10
to multiply whole numbers, change the Accurate Answer - whole
number to improper fractions
to divide fractions, flip the divisor and Accurate Answer - multiply
what is 1/2 divided by 3/8 Accurate Answer - 8/6 or 1 1/3
to add or subtract decimal numbers, siply arrange them Accurate
Answer - vertically, aligning the decimal points
to multiply decimals, arrange them vertically with alighnment on the
Accurate Answer - right side
, Multiply 1.64 * 0.3 Accurate Answer - .492
To divide decimal numbers, set up like a traditional whole number division
problem. in the divisor move the Accurate Answer - decimal all the
way to the right, making it appear as a whole number. in the divident move
the decimal the same number of places to the right. Move decimal in quotient.
Percent means Accurate Answer - per one hundred
Dividing and multiplying integers: if the signs are the same Accurate
Answer - you get a positive
Dividing and multiplying integers: if the signs are different Accurate
Answer - you get a negative
Finding the percent of a number-
what is 60 % of 24? Accurate Answer - 14.40
Find what percent is of another number - what percentage of 120 is 48?
Accurate Answer - is/of - 48/120
simplify - 48/120 divided by 4/4 = 12/30
simplify again - 12/30 divided by 3/3=4/10 divided by 2/2 = 2/5
divide the fraction into itself:
5 divided by 2.00
answer .40
Finding the percent when the percent is known --solve the proportion
15 is 6% of what number? Accurate Answer - 15/n=6/100
6n=15 *100
6n= 1500
n=250
ANSWERS
When adding and subtracting fractions you must Accurate Answer -
find the common denominator
Common denominator in fractions is found by changing the fractions to
Accurate Answer - equivalent fractions
If adding 1/2 and 2/3, what is the lowest common denominator
Accurate Answer - 6
What is the answer (after simplification) of adding 1/2 and 2/3
Accurate Answer - 7/6 or 1 1/6
when adding mixed numbers, add the Accurate Answer - fractions first
then whole numbers
When adding mixed numbers after adding the fractions first and the whole
numbers,if the fractions sums to more than one Accurate Answer - add
the one to the whole number sum
Subtract 3 2/5 and 1 4/5 Accurate Answer - 1 3/5
Multiply 2/5 * 3/4 Accurate Answer - 6/20 = 3/10
to multiply whole numbers, change the Accurate Answer - whole
number to improper fractions
to divide fractions, flip the divisor and Accurate Answer - multiply
what is 1/2 divided by 3/8 Accurate Answer - 8/6 or 1 1/3
to add or subtract decimal numbers, siply arrange them Accurate
Answer - vertically, aligning the decimal points
to multiply decimals, arrange them vertically with alighnment on the
Accurate Answer - right side
, Multiply 1.64 * 0.3 Accurate Answer - .492
To divide decimal numbers, set up like a traditional whole number division
problem. in the divisor move the Accurate Answer - decimal all the
way to the right, making it appear as a whole number. in the divident move
the decimal the same number of places to the right. Move decimal in quotient.
Percent means Accurate Answer - per one hundred
Dividing and multiplying integers: if the signs are the same Accurate
Answer - you get a positive
Dividing and multiplying integers: if the signs are different Accurate
Answer - you get a negative
Finding the percent of a number-
what is 60 % of 24? Accurate Answer - 14.40
Find what percent is of another number - what percentage of 120 is 48?
Accurate Answer - is/of - 48/120
simplify - 48/120 divided by 4/4 = 12/30
simplify again - 12/30 divided by 3/3=4/10 divided by 2/2 = 2/5
divide the fraction into itself:
5 divided by 2.00
answer .40
Finding the percent when the percent is known --solve the proportion
15 is 6% of what number? Accurate Answer - 15/n=6/100
6n=15 *100
6n= 1500
n=250
