Unit 1
round to the ten thousandths place:
703, 901 - 183,876 =
700,000- 180,000 = 520,000
Translate the verbal expression into a algebraic expression:
The difference of a number and 3
n - 3
Round to the nearest whole number to estimate the difference;
34.698 - 14.985 =
20
Find the factors of 36
1,2,3,4, 6, 9, 12, 18,36
166.032 ÷ 7.2
23.06
Estimate Using Clustering:
892, 920, 905, 900, 899, 910
900 X 6 is about
5400
Translate the verbal expression into a algebraic expression:
Two Times the sum of a number and 10
2 (n + 10)
Use compatible numbers to estimate the quotient:
101.45 divided by 45.65 =
100 divided by 50 = 2
Identify if the number is prime or composite:
91
Composite : It has factors of 1,7, 13, 91
Write this decimal as a fraction:
3. 05
3 5/100
Compare using <, > or =
52 ____ 25
52 < 25
Solve and Check the equation:
4n - 5 = 27
n = 8
15.009 - 6.01
8.999
Use Prime Factorization and write the answer in
Expanded form and Exponent form.
150
2 x 3 x 5 x 5 : expanded form
2 x 3 x 52 : exponent form
0.004 X 0.02
0.00088
Estimate Using compatible numbers:
17,458 divided by 5
15,000 divided by 5 = 3,000
20,000 divided by 5 = 4000
Solve each equation and check your solution:
13 = n/11
143 = n
Evaluate Each Algebraic Expression:
17n for n = 0.005
0.085
Find the Greatest Common Factor:
72 and 28
4
Use Prime Factorization to find the GCF of :
36 and 30
6
11- 5 + 43 - (7-6)5
69
Solve Each problem Using the 6 step plan:
You have $120 to spend on candy packs for the party. How many packs of candy can you buy if each pack of candies cost $8?
p = packs of batteries you can buy.
8p = 120
120/ 8 = 15 --> p =15
Solve and check
n + 8.75 = 80
n = 71.25
Find the Greatest Common Factor:
63 and 175
GCF = 7
You budgeted $20 a month for long distance calls. It costs $0.37 per minute. How many minutes can you call Argentina each month?
54. 054 --> round down to 54 minutes of talking each month.