March Mathness Wk 1

Vocabulary

100

A number or symbol that multiplies a variable in an expression.

Example: the 3 in 3x

Coefficient

200

Terms that have the same variable raised to the same exponent.

Like Terms 

300

An expression with only one term. 

Ex. 

3x²,          -6x,          8,              xy⁴

Monomial

400

An expression including more than one term. It involves only the operations of addition,subtraction,and multiplication. 

Ex:

3x + 6,          6x² – 2x,        x²+ 7xy + 5

Polynomial

500

A polynomial with two terms.

Ex. x²+3

Binomial

Exponents

100

Simplify:

(10⁴)(10²)

10⁶

200

What is the value of x?

7^x*7¹² = 7⁴¹

29

300

Which number is the largest?

2³*5²,      3²*2⁵,      5³*2²

5³*2²

400

What is the value of x?

8² * 2⁵ = 2^x

11

500

Simplify:

(3a³b²)⋅(2a⁴b⁷)

6a⁷b⁹

Distribution

100

Simplify:

3(x + 2)

3x + 6

200

Simplify:

5(2a + 3b - 1)

10a + 15b - 5

300

Simplify:

x²(3x⁵ + 5x²)

3x⁷ + 5x⁴

400

Simplify:

-4x(3x - 7y - 1)

-12x²+28xy+4x

500

Simplify:

2m⁴n³(7m⁶n⁸ - 8m¹²n)

14m¹⁰n¹¹ - 16m¹⁶n⁴

Integers

100

Simplify:

5 + (-3) - (-12)

14

200

Simplify:

(-8) * 4 / (-2)

16

300

A stock price decreased by $25 on Monday, increased by $10 on Tuesday, and then decreased by $30 on Wednesday. What is the net change in the stock price over the three days?

To find the net change, we add the changes together: 

-25 + 10 - 30 = -45

400

The temperature in Calumet Township, IL was -5°C at midnight. The temperature rose one degree per hour from 12am to 6am and three degrees per hour from 6am to 8am. What was the temperature at 8 am?

-5°C + 1°C*6 + 3°C*2 = 7°C.

500

Solve for x: -3(x + 12) = 14x + 15

x=-3

Fractions

100

Simplify:

2/5+1/5

3/5

200

Simplify:

2/3+1/2

7/6

300

Simplify 25/150 to its lowest terms

1/6

400

Simplify:

3/15 * 7/2

21/30 or 7/10

500

Simplify:

(3/4) / (4/3)

Keep Change Flip 

9/16 or 3²/4²