Ch1. Whole Numbers & Patterns
Simplify 5+3×3-1
13
Write the phrase as a numerical expression.
"The product of 6 and 5"
6×5 or 6⋅5
Write the decimal in expanded form.
1.203
1+0.2+0.003
Tell whether 93 is a prime or composite.
Composite. (divisible by 3)
Find the least common multiple(LCM) of 6 and 8.
24
Simplify 30÷2-5×2
5
Write two phrases for the expression
n÷8
"n divided by 8" & "The quotient of n and 8"
Order the decimals from least to greatest.
0.3, 0.303, 0.033
List all the factors of 60.
1,2,3,4,5,6,10,12,15,20,30,60
Find the least common multiple(LCM) of 4, 12, and 30.
60
Estimate the sum by rounding to the place value indicated.
3,123+2,987 ; thousands
6,000
Determine whether the given values are the solutions of the equations.
1) 5s = 20 for s = 4
2) 5+g = 8 for g = 2
1) Yes, solution
2) No solution
Estimate by rounding to the indicated place value.
6.178 - 0.2805; hundredths
6.18 - 0.28 = 5.90
Find two equivalent fractions of 3/12
1/4 and 6/24 (possible answers)
Subtract 7/8 - 2/3. (Answer in simplest form.)
5/24
What are the missing terms in the sequence?
1, 3, 9, 27, ?, ?, ...
81, 243
Solve the equation.
121 = 11d
d=11
Write the number in scientific notation.
7,230
7.23 × 103
Write 1.8 as a mixed number in simplest form.
1 and 4/5
Find the sum. (Write the answer in simplest form.)
1 and 3/10 + 3 and 2/5
4 and 7/10
Simplify (8+6)÷2×32
63
Solve all three equations.
1) n - 31 = 36
2) 72= s × 8
3) z ÷ 13 = 4
1) n=67
2) s=9
3) z=52
Find the product and quotient.
1) 1.2 × 0.4
2) 1.86 ÷ 0.3
1) 0.48
2) 6.2
Write the prime factorization of 56.
2 ⋅ 2 ⋅ 2 ⋅ 7
Find the difference. (Write the answer in simplest form.)
4 and 5/9 - 1 and 1/2
3 and 1/18