# Construction Math Worksheet KEY

```1. Write the sum for the following:
47 Pipes
+54 Pipes
101 Pipes
23 Windows
+89 Windows
112 Windows
108 Receptacles
+ 97 Receptacles
205 Receptacles
2. Write the symbols that are used for the words inches, feet, square feet and
square inches.
Word
Symbol
Inches
“ or in.
Feet
‘ or ft.
Square inches
sq. in. or in.2
Square feet
sq. ft. or ft.2
3. Fill in the answers to these math problems. Challenge yourself to perform the
math computations without writing them out on paper
Problem
Product
Problem
Product
8 x 11
88
7x6
42
5x9
45
11 x 12
132
12 x 4
48
8x6
48
9x8
72
12 x 6
72
10 x 5
50
6x9
54
4. Dividing small whole numbers should be as easy as performing multiplication on
small whole numbers. Fill in the answers to these math problems. Challenge
yourself to perform the math computations without writing them out on paper.
Problem
108 / 12
121 / 11
84/7
72 / 12
Quotient
9
11
12
6
5. What is a fraction?
a. A mathematical notion describing non-whole numbers
6. What are the standard increments of measurement on a ruler?
1
a. 16 in.
7. Fill in the measurements below:
1
8
1
4
3
8
1
2
5
8
3
4
7
8
1
1
1
16
3
16
5
16
7
16
9
16
11
16
13
16
15
16
8. What the pizza example is demonstrating (write the appropriate fraction at each
“pizza”?
3
4
5
8
24
32
20
32
6
8
10
16
9. What is an improper fraction?
9
a. A fraction that has a numerator bigger than the denominator ( 5 )
10. What is a mixed number?
3
a. A fraction and a whole number together ( 4 5 )
11. What is the key word in a word problem that would indicate that fractions will
be multiplied?
a. “By”
12. What must be done to a mixed number so that it is in a form that can be
multiplied or divided?
a. It must be converted to an improper fraction.
Hundredths
Thousandths
Ten
Thousandths
Hundred
Thousandths
Millionths
.
Tenths
13. Enter the number one hundred forty-seven thousand five hundred thirty-two
millionths into the chart below. Put each digit in the correct place value.
1
4
7
5
3
2
14. After multiplying numbers with decimal places, what must be done to put the
decimal point at the correct place in the product (product = answer to a
multiplication problem).
a. Count the number of digits behind the decimal in both of the numbers
you multiplied together and put that many numbers behind the decimal
in the product.
15. What must be done if the product requires more decimal places than there are
digits in the product?
a. Add zeros in front of the numbers until enough decimal places are
covered.
16. Which caused the decimal point to have to be moved in the division process a
decimal point in the divisor or a decimal point in the dividend?
a. Dividend
17. Convert the decimal 0.256 to a percent (hint you can have a decimal in percent
notation).
a. 25.6%
18. Using a calculator fill in the chart by finding the decimal equivalent for each
fraction that is found on a standard construction ruler.
1/16
0.0625
1/8
0.125
3/16
0.1875
1/4
0.25
5/16
0.3125
3/8
0.375
7/16
0.4375
1/2
0.5
9/16
0.5625
5/8
0.625
11/16
0.6875
3/4
0.75
13/16
0.8125
7/8
0.875
15/16
0.9375
3
13
39
a.
128
5
3
20. Multiply 216 by 15 4. Put your answer as a fraction.
27
a. 3664
1
5