Chapter 1 Numbers Properties and Decimals
Use mental math to find the product.
20 x (19 x 50)
19,000
Evaluate the expression.
18-3y y=3
10.5
Test the number for divisibility by 2, 3, 5, and 10.
1,956
2 and 3
Find the product
2 4/5 xx12 1/2
35
A jar contains 20 white marbles, 30 black marbles. What is the ratio of white marbles to all marbles?
2/5
Find the value of the expression.
400 -:(44-24)
20
Write an expression for the word phrase.
d more than 5050 + d
Simplify
15^2-(1+13^2)
55
Find the product
3 1/9 xx3 3/8
10 1/2
Find the unit rate for the situation.
45 miles in 5 hours.
9 miles per hour.
Find the value of the expression
(75xx5)+(25xx6)-10
515
Solve the equation. Use mental math to solve.
k+9=28
18
Simplify
(9-7)^3xx6
Find the quotient
8-:3/7
18 2/3
There are 3 feet in 1 yard. Find the number of feet in a 15-yard run by a football player.
45 ft
Write the decimal in words.
2.061
two and sixty-one thousandths
Solve the equation.
n+4.5=10.8
6.3
Find the prime factorization of the number.
450
2xx3^2xx5^2
Find the quotient
8/9 -:4/5
1 1/9
A glacier moves about 3 inches every 9 hours. At that rate, about how far does the glacier move in 36 hours?
12 in.
Write the decimal in standard form and in expanded form.
sixty-four hundredths
0.64 ;
0.6 + 0.04
Solve the equation.
14.7 = 5+f
9.7
Find the GCF (Greatest Common Factor) for
24 and 60
12
Find the quotient
7 1/3 -: 1 5/6
4
If there are 2 cups to a pint, how many cups are there to are there to 6 pints?
12 cups
Round the decimal to the hundredths place.
10.956
10.96
Solve the equation.
y-12=23
35
Find the GCF of
45 and 150
15
Find the quotient
2 1/10 -:4 2/3
9/20
Write the ratio as a percent.
3/5
60%
Find the sum.
7+11.436+3.08
21.516
Solve the equation.
n-10.5=11.7
22.2
Find the LCM (Least Common Multiple) of
18 and 24
72
Find the sum.
4/7 +5/8
1 11/56
Write the percent as a fraction in simplest form.
75%
3/4
Find the difference.
60-2.037
57.963
Solve the equation.
25h=450
18
Use the Distributive Property to simplify.
8(2x-3-y)
16x-24-8y
Find the difference.
6 2/3 -3 1/3
3 1/3
Write the percent as a decimal.
22%
0.22
Find the product.
1.2xx2.065
2.478
Solve the equation.
n/4=0.6
2.4
Factor the expression.
12x+20
4(3x+5)
Solve the equation.
5/24 +g = 1/3
1/8
What is 40% of 70?
28
Find the quotient.
10.54-:0.17
62
CHALLENGE: DOUBLE POINTS
4x-15=51
16.5
Simplify.
6x-5y+8x+2y+11y+4
14x+8y+4
Solve the equation
2 2/5p=10
4 1/6
25 is 10% of what number?
250