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expressions
order of operations
Properties/Square Roots
Distributing/Combining
Real Numbers-no calculators!
100
x+2
What is the sum of x and 2?
100
4 + 6(8)
What is 52
100
83 + 6 = 6 + 83
What is commutative property of addition?
100
n + 4 − 9 − 5n
What is -4n-5
100
13 - 6
What is 7
200
2x
What is twice a number?
200
3 + 4[13 - 2(6 - 3)]
What is 31?
200
(8 x 7) 6 = 8 (7 x 6)
What is associative property of multiplication?
200
2(x + 6)
What is 2x+12
200
18 + 7
What is 25
300
half of a number
What is .5x or x/2
300
4 + 3(15 - 2^3)
What is 25?
300

What is the square root of 196?

14

300
(2c - 8)(-4)
What is -8c+32
300
l-12l + l21l
What is 24
400
the sum of 8 times a number and 15
What is 8x+15
400
Evaluate 7a – 4(b + 2) for a = 5 and b = 2
What is 19?
400

Estimate the square root of 125?

About 11.2

400
-w + 4(w + 3)
What is 3w+3
400
4 + (-8) + (-14)
What is -18
500
3 less than 5 times the quantity twice a number plus 2
What is 5(2x+2)-3?
500
Evaluate for m = 6 and n = 15 (5m + n)/5
What is 9?
500

Estimate the square root of 79?

About 8.9

500
−7(n + 3) − 8(1 + 8n)
What is -71n-29
500
The temperature at 5:00 A.M. is -38°F.The temperature rises 20°? by 11:00 A.M. What is the temperature at 11:00 A.M.?
What is -18°F