Square Roots & Perfect Squares
What is the square root of 144?
12
Jane and Kelly have some jewelry. Jane has J pieces and Kelly has 10 less. How many does Kelly have? Write the expression.
J-10
What is the first step of this expression?
9 + 8 x (4 + 9) / 2
Grouping (4 + 9)
Write 3.24 x 10^-5 in scientific notation?
0.0000324
Place the following in order from greatest to least:
1 x 10^1
1.2 x 10^1
1.35 x 10^1
1.35 x 10^2
1.35 x 10^2
1.35 x 10^1
1.2 x 10^1
1 x 10^1
What is the square root of 361?
19
Ms. Bell gave her oldest daughter some money (M) for her birthday. Her sister gave her $20 more. Write an expression to show home much money she has in all.
M + 20
What is the second step in this expression:
9 + 8 x (4 + 9) / 2
Multiplication 8 x 13
Write the following in scientific notation: 209500
2.095 x 10^5
Which of the following numbers would appear first if I ordered them from least to greatest?
2/5 11.56 78% 9.76
2/5
What is 15 squared?
225
Joe has some pieces of candy. (C) Mary has 15 more pieces. How many pieces does Mary have? Write the expression.
C + 15
What does GEMDAS stand for?
Grouping
Exponents
Multiplication & Divison (L to R)
Addition & Subtraction (L to R)
Write the following in standard notation: 8 x 10^6
8,000,000
When ordering and comparing scientific notation, we first look at the ____________. If they are the same, then we look at the ____________.
Exponent
Decimal (number)
What is the square root of 196?
14
Kevin had 89 baseball cards. He gave some away. How many are left? Write the expression.
89 - B
Solve this expression:
3 + 9 x 2 - 2
19
Write the following in scientific notation: 52.12
5.212 x 10^1
True or false. The following is ordered correctly from least to greatest.
0.04 9% 18% 8.9 934%
True
What is 18 squared?
324
Mike has some money (m) to split evenly between 8 people. How much will each person get? Write the expression.
M/8
Solve the expression: (3+9)^2 -4 + 6
146
1.99 x 10^-8
What is the mathematical term for greatest to least?
Descending