Number and Number Sense (8.1)
Which is larger: √50 or 7?
What is 7?
A $75 pair of shoes is 30% off.
What is About $52.50 ?
Find the surface area of a square-based pyramid with base length 6 cm and slant height 5 cm.
What is SA = (6²) + 4(1/2 × 6 × 5) = 36 + 60 = 96 cm²
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What is the mean of 2, 4, 6, 8?
What is 5?
What is the slope of the line y = 4x + 1?
What is 4?
Convert 4/5 to a decimal and a percent.
What is 0.8 and 80% ?
A TV that originally cost $600 is now on sale for $450.
What is 25%
Identify the type of triangle with sides 6, 8, and 10
What is right triangle?
What is the probability of choosing a red marble from a bag with 3 red, 5 blue, and 2 green marbles?
What is 3/10?
Identify the y-intercept in y = -3x + 5?
What is 5?
Identify whether the number -2/3 is rational, irrational, or both.
What is Rational?
A shirt costs $40. If there is a 10% discount, what is the new price?
What is $36 ?
Find the volume of a rectangular prism with l = 4, w = 3, h = 2.
What is 24 cubic units?
What is the range of this data set: 7, 2, 9, 4?
What is 7(9-2)?
Is this a function? { (1, 2), (2, 3), (3, 2), (1, 4) }
What is No, x = 1 is repeated with different y values?
Order the numbers from least to greatest: -√2, -1.5, -1.4
What is -1.5, -1.414 (approx. -√2), -1.4?
A $95 meal, 10% tip.
What is $104.50?
A cylinder has a radius of 3 and a height of 5. Find the volume.
What is V = πr²h = π(9)(5) = 45π ≈ 141.3500 ?
What is the median of 12, 7, 3, 9, 15?
What is 9?
Write the equation of a line with slope -2 and y-intercept 3.
What is y = -2x + 3?
Identify if π is rational or irrational and explain why.
What is Irrational; π cannot be expressed as a ratio of two integers.
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A meal costs $25 and the tax rate is 6%. What is the total cost including tax?
What is $25 + (0.06 × $25) = $26.50 ?
Find the circumference of a circle with diameter 10 cm. Use π ≈ 3.14
What is C = πd = 3.14 × 10 = 31.4 cm?
What is the probability of flipping 2 coins and getting 2 heads?
What is 1/4?
Use the table below to write a linear equation in the form y=mx+by = mx + by=mx+b.
x: 1, 2, 3, 4,
y: 5, 7, 9, 11
y=2x+3