Quick Practice R.2

Quick Practice R.2
1. Choose the correct operation (addition, subtraction, multiplication or division)
associated with each word or phrase.
a. difference
e. product
i.
less than
b. fraction
f.
j.
quotient
c.
g. times
k.
sum
h. factors
l.
total
more than
d. terms
split three ways
2. Give at least three ways to write four times five in mathematical symbols.
3. Give at least three ways to write eighteen divided by six in mathematical
symbols.
4. Write each phrase as a numerical expression. Do not compute answers.
a. ten divided by five
d. the quotient of ten and five
b. ten divided into five
e. the quotient of five and ten
c. ten divided into five parts
5. Fill in the blanks with the appropriate symbol.
a. is less than __________
d. is not equal to __________
b. is greater than __________
e. is the same as __________
c.
is equal to __________
6. Insert < or > to make the statement true.
a. 12 _____ 13
d. 2.427 _____ 4.227
b. 15 _____ 7
e. 5 inches _____ 1 foot
c.
0.5 _____ 0.05
7. Write in math symbols.
a. two less than ten
b. two is less than ten
Quick Practice R.4
Place Value and Rounding Review
1. Identify the place value of the given digit in the number 4,982,736.105.
a. 1
d. 4
g. 7
b. 2
e. 5
h. 8
c.
f.
i.
3
6
j.
0
9
2. Write the word name of each number
a. 4,237
___________________________________________
b. 4,000,237
___________________________________________
c.
___________________________________________
64,123
d. 23,000,000,000
___________________________________________
e. 4.52
___________________________________________
f.
___________________________________________
0.09
g. 0.354
___________________________________________
h. 0.023
___________________________________________
3. Round each number below.
a. Round 236.8 to the tens place.
___________________________
b. Round 12,538 to the hundreds place. ___________________________
c.
Round 4.78 to the tenths place. ___________________________
d. Round 0.08643 to the hundredths place.
_________________________
e. Compare with your answers from the activity. If there are any differences,
explain them.
4. Round each number to the given place value.
a. 4,467 to the nearest thousand
_________________________
b. 4,467 to the nearest hundred
_________________________
c.
4,467 to the nearest ten _________________________
d. 85,263 to the nearest thousand _________________________
e. 85,263 to the nearest ten thousand
_________________________
5. Round each number to the given place value.
a. 3.57924 to the nearest thousandth
_________________________
b. 3.57924 to the nearest hundredth
_________________________
c.
3.57924 to the nearest unit (ones place)
_________________________
d. 296.362954 to the nearest thousandth _________________________
e. 296.362954 to the nearest hundredth _________________________
f.
296.362954 to the nearest hundred
_________________________
g. 296.362954 to the nearest unit _________________________
h. 2.999 to the nearest tenth_________________________
6. Round each of the following measurements as indicated.
a. 48.055 grams to the nearest hundredth of a gram
b. 4.23 cm to the nearest tenth of a centimeter
c.
_________________________
10.99 cm to the nearest tenth of a centimeter _________________________
d. 24.2 feet to the nearest foot
_________________________
e. 3257 miles to the nearest hundred miles
f.
_____________________
3 feet 10 inches to the nearest foot
_________________________
_________________________
7. Round each of the following as indicated.
a. $52.248 to the nearest penny
_________________________
b. $982.74 to the nearest dollar
_________________________
c.
_________________________
37.8¢ to the nearest penny
d. 99.2¢to the nearest cent _________________________
e. 99.2¢to the nearest dollar _________________________
f.
$0.992 to the nearest cent
_________________________
g. $0.992 to the nearest dollar
_________________________
h. 0.99¢ to the nearest cent _________________________
8. Sort all of the values into the categories below.
a. $0.95
d. 0.95¢
g. $1.25
b. $95
e. 95 pennies
h. 1.25¢
c.
f.
i.
95¢
Close to one dollar
Close to one cent
A lot more than one dollar
A lot less than one cent
0.95 pennies
$0.0125
Quick Practice R.5
1. To answer these questions, first build fractions with your fraction pieces. Then draw
what you see with your pieces to support your answers. There are many correct
answers.
a. Give two fractions that you would build with the same number of pieces. Circle
the bigger fraction.
b. Give two fractions that you would build with the same size pieces. Circle the
bigger fraction.
c.
Give one fraction that is more than
1
2
and one that is less than
1
2
. Circle the
bigger fraction.
d. Give one fraction that is more than 1 and one that is less than 1. Circle the
bigger fraction.
2. Give four fractions in each category. Use your fraction pieces to help.
a. less than one-half
d. more than one
b. equal to one-half
e. less than
c.
between
1
2
and one
f.
between
1
4
3
4
and one
3. How does each fraction below compare to a half? Is it above or below a half?
(Remember, you can use your fraction pieces to “see” the problem.)
a.
2
3
b.
3
8
c.
10
16
4. How does each fraction below compare to a whole? Is it above or below a whole?
a.
12
16
b.
10
7
5. At a company picnic, there were fresh cherry pies, cut into 8 slices each. Fifty
people each had a slice of pie.
a. What fraction of a pie was each slice?
b. What fraction of pie was eaten in total?
6. Give the fraction represented by each of the following pictures. When the
picture is more than a whole, give both the improper fraction and the mixed
number names.
a.
b.
d.
c.
e.
7. Give approximate fractions represented by the following pictures. Be sure
your numerator and denominator are shown in your picture.
a.
b.
8. Use your calculator to find the decimal values for the given fractions. If
necessary, round to the nearest thousandth. (Remember that a fraction bar
is also a division bar.)
a.
4
5
= ______
d.
5
6
= ______
g.
1
3
______
b.
7
20
= ______
e.
7
8
= ______
h.
2
3
______
c.
1
8
f.
3
7
= ______
= ______
9. Use a calculator to find the decimals for all the halves, quarters and tenths. Begin
now to memorize them. It might be helpful to put them on a notecard.
1
2
1
4
Why don’t you need to do
3
4
2
?
4
1
10
2
10
3
10
4
10
6
10
7
10
8
10
9
10
1
3
2
3
5
10
10. What coin can you use to help you remember fourths? Tenths?