Numeracy and Rational Numbers
What is the absolute value of -8?
|8|
What is 1/2 + 1/4?
3/4
You answer 12 questions in 3 minutes. How many do you answer per minute?
4
Write an integer for representing losing a 20 dollar bill.
-20
Write an algebraic expression for: the quotient of 8 and a number.
8 / x
Write 3 888 888 888 rounded off to a billion with one decimal.
What is 0.3 x 0.4?
0.12
What is 5% of 40?
2
Write an equation for buying a $2 coffee on the way to work, but then making $110 at work.
-2 + 110
Write an algebraic equation for: Four less than the product of a number and nine is one
9x - 4 = 1
Expand and solve 43
4x4x4 = 64
3 and 1/4 - 1 and 5/8
1 and 5/8
You completed 16 mario levels in 40 minutes. How many minutes would it take to complete 20 levels?
50 minutes
(+15) - (-7) = ?
+22
x2 + 3x / 2 - x, if x = 8
68
What number is this?
6 x 104 + 3 x 102 + 8 x 100
40308
0.425 divided by 0.02
21.25
You find 2 deals for pizza: 10 slices for $16, or 14 slices for $20. Which is the better deal?
10 for $16 is $1.60 per slice
14 for $20 is $1.43 per slice. This is the better deal.
(-4) + (-4) - (+4) = ?
-12
7x - 8 = 41
x = 7
What is the square root of 500?
About 22.3 or 22.4
4 and 1/2 divided by (2/5)2
16 and 2/3
A tshirt costs $85, but is on sale for 40% off. How much is it, plus tax?
$57.63
(-10) + ( +8) - (-5) + (-3) = ?
0, Zip, Natta, Nothin'
Graph the following on a number line
(-4x) - 5 + 7x - 2 > 8 x 7
x > 21