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Worksheetstest 19 prep
Total questions: 82
Worksheet time: 3hrs 24mins
What is a reciprocal?
A number that is multiplied by another number
A number that is divided by another number
A number that, when multiplied by a given number, results in 1
A number that is added to another number
How do you find a reciprocal?
Multiply the number by 2
Divide 1 by the number
Add 1 to the number
Subtract 1 from the number
Write ½ as a reciprocal.
2
½
1
0.5
Write 3 as a reciprocal.
1/3
3
9
0.3
Write ⅘ as a reciprocal.
5/4
4/5
1/5
1/4
How can you write ⅓ and ⅕ with a denominator of 15?
5/15 and 3/15
3/15 and 5/15
1/15 and 1/15
15/3 and 15/5
How can you write ⅕ and 3/6 with a denominator of 30?
6/30 and 15/30
5/30 and 18/30
5/30 and 15/30
6/30 and 18/30
Add 24/30 and 15/30.
39/30
24/30
15/30
9/30
Reduce 39/30.
13/10
39/10
3/10
9/10
Add 3/15 and 5/15.
8/15
3/15
5/15
1/15
Can you reduce 8/15? Why?
Yes, because both numbers are even
No, because they have no common factors
Yes, because 8 is greater than 15
No, because 8 is less than 15
There are 2 dozen cookies in 2 rows. How many cookies are in each row?
12
24
6
48
How many are in a dozen?
6
12
24
10
Can you use division to find the number of cookies in a row?
Yes
No
Only if there are more than 12 cookies
Only if there are less than 12 cookies
What is 24 divided by 2?
12
24
6
48
What is 36 divided by 6?
6
36
12
18
There are 3 dozen cookies in 6 rows. How many cookies are in each row?
6
12
18
36
What is ⅕ of 60?
12
60
5
15
What is ⅗ of 60?
36
60
12
18
When you see the word “of” with a fraction will you multiply or divide?
Multiply
Divide
Add
Subtract
Sarah said that ⅛ of 20 is 4. Is she right? How do you know?
Yes, because 20 divided by 8 is 4
No, because 20 divided by 8 is not 4
Yes, because 8 times 4 is 20
No, because 8 times 4 is not 20
David said ⅗ of 20 is 20/5. Is he right? How do you know?
Yes, because 20 divided by 5 is 4
No, because ⅗ of 20 is not 20/5
Yes, because 5 times 4 is 20
No, because 5 times 4 is not 20
If a shape is 5/10 shaded, what is it as a reduced fraction?
1/2
5/10
2/5
1/5
If a shape is ½ shaded, what is it as a decimal?
0.5
0.2
1.5
0.1
If a shape is ½ shaded what is it as a percentage?
50%
25%
75%
10%
When listing numbers in order from least to greatest, you should
They should all be decimals
They must all be fractions
They should be seen as their value
They must all be whole numbers
Zero is greater than a fraction
Yes
No
Sometimes
Always
Is a fraction less than one? Why?
Yes, because the numerator is less than the denominator
No, because the numerator is greater than the denominator
Yes, because the numerator is equal to the denominator
No, because the numerator is equal to the denominator
List ⅓, ⅕, and 0 in order from least to greatest.
0, ⅕, ⅓
⅓, ⅕, 0
⅕, ⅓, 0
0, ⅓, ⅕
When converting a number from centimeters to millimeters, you ______ by ______.
multiply, 10
divide, 10
multiply, 100
divide, 100
When converting a number from millimeters to centimeters, you ______ by ______.
divide, 10
multiply, 10
divide, 100
multiply, 100
When the numerator is greater than the denominator, is it a proper fraction?
No
Yes
Sometimes
Always
How do you convert an improper fraction into a mixed number?
Divide the numerator by the denominator
Multiply the numerator by the denominator
Add the numerator to the denominator
Subtract the numerator from the denominator
How do you reduce a fraction?
Divide the numerator and the denominator by their greatest common factor
Multiply the numerator and the denominator by their greatest common factor
Add the numerator and the denominator
Subtract the numerator from the denominator
How do you know when a fraction is reduced to its smallest value?
When the numerator and denominator have no common factors other than 1
When the numerator and denominator are equal
When the numerator is greater than the denominator
When the numerator is less than the denominator
What is 36/7 as a mixed number?
5 1/7
6 1/7
5 2/7
6 2/7
Can you reduce 6/8?
Yes, to 3/4
No, it is already reduced
Yes, to 1/2
Yes, to 2/3
What does GCF stand for?
Greatest Common Factor
Greatest Common Fraction
Greatest Common Formula
Greatest Common Function
Multiply to make the fractions equivalent: ⅔ x 6/6=x/12
4
6
8
12
Multiply to make the fractions equivalent: ¾ x 4/4 = x/16
12
3
4
6
When adding decimals, what do you line the numbers up by?
The leftmost digit
The decimal point
The rightmost digit
The largest number
When adding decimals, do you include place holder zeros?
Yes
No
Only sometimes
Only if the teacher says so
When adding decimals, is it important to line up your numbers correctly?
How do you regroup when subtracting?
By adding more numbers
By borrowing from the next column
By multiplying
By dividing
What is the square root of 36?
5
6
7
8
How do you regroup when subtracting?
yes
no
How do you borrow when subtracting?
yes, it is also called regrouping.
no, just no.
How can you check your work when subtracting?
By adding
By multiplying
Should you check your work when subtracting?
YES
NO
When you add money, is $18 and $0.18 the same value?
Yes
No
Only if you round up
Only if you add more
What happens to a fraction when the numerator and the denominator are the same?
It becomes zero
It becomes one
It doubles
It halves
What is another word for "Flip"?
Same
Fraction
Equal
Reciprocal
What operation in fractions do you need to find the reciprocal?
Add
Subtract
Multiply
Divide
When multiplying by decimals, how do you include the decimal in your answer?
When multiplying by decimals, what must be in your answer?
(a)
How do you multiply by two-digit numbers?
(a)
Should you multiply like how you add? Why?
Yes, because it is the same.
No, because you have to multiply each digit in the number.
When you divide with decimals, where does your decimal go?
In the same spot it is in the problem
no where
It does not matter where the decimal goes
When multiplying or dividing with money, what must be in your answer?
a dollar sign
$ and .
nothing
When dividing by a two-digit number, do you look at the first digit or the first two digits?
Yes, because of the place value
No, because you can multiply a two digit number to get a single digit number
What does it mean to find the square root?
You look at what number multiplied by itself to get the larger number. Ex: 3x3=9
You look at what two numbers you can multiply to get that number. Ex: 3x9=36
When multiplying a number by an exponent, what do you do?
You multiply that number by the exponent. Ex: 82 = 16
You multiply that number by itself. Ex: 9x9=81
What does it mean to square a number?
You multiply by 2
You divide by 2
You multiply the number by itself
Dan said the square root of 36 is 3 and 12. Is he right?
Yes, because 3x12=36
No, because you need to find the number multiplied by itself
How do you know when you are done dividing a number?
When you want to be
When you run out of digits to divide
When you get zero
When you get a remainder
When you subtract two mixed numbers, what do you look at first?
the whole numbers because they are easier to work with
the whole numbers because they are larger
the fraction because you need to work with the smallest value first
the fraction because I said so
How do you borrow with a mixed number?
yes
no
maybe
Can you borrow from the whole number of a mixed number?
yes
no
maybe
What happens to a fraction when the numerator and the denominator are the same?
The fraction stays the same
The fraction becomes 1 because it completed the whole
The Fraction is reduced
How do you reduce a mixed number?
You reduce the Fraction part and leave the whole number alone
You subtract the whole number and the fraction
You do a little dance 💃
You do nothing
When subtracting a fraction, do you change the denominator?
yes
no
no
no
When adding a fraction, do you change the denominator?
no
no
yes
no
Why do you leave the denominator alone when adding or subtracting?
Because the number of the whole does not change
Because the whole changes as we add and subtract
When multiplying, do you change the denominator?
yes
no
maybe
so
What happens to a fraction when you divide it?
You do another little dance
You add the fractions
You multiply by the reciprocal
How can you multiply a fraction and a whole number?
You do nothing
You write the whole number over one and multiply across
When you add money, is $15 and 15￠ the same value?
Yes, because they are the same value
No because fifteen dollars and fifteen cents are two different values
Yes because Ms. Wilkens is a silly goose
I did not read the question and guessed.
Mikala said that $18 and $0.18 are not the same value. Do you agree? Why?
Yes, because eighteen dollars is worth more than eighteen cents
No, because eighteen cents and eighteen dollars have the same value
Daniel said that $15 and 15￠ are the same value. Do you agree? Why?
Yes because fifteen dollars and fifteen cents are the same value
No because fifteen dollars and fifteen cents have different values
When multiplying by decimals, should you include the decimal point?
yes
no
What is 14 x 15￠?
$2.10
$220
$210
210
Kevin said that 14 x 5￠= $0.70. Is Kevin correct? Why?
Yes because he multiplied right
No because he forgot to write it as 70 ⊂
yes because he included his decimal and dollar sign
