Symbols
What is the symbol for more than?
>
x + 7 < 8
x < 1, open circle shading to the left
3x - 1 ≥ 14
x ≥ 5, closed circle shading to the right
Lisa is cooking muffins. The recipe calls for more than 7 cups of sugar. She has already put in 2 cups. How many more cups does she need to put in? Write an inequality that models this situation.
x + 2 > 7
or
2 + x > 7
Which fast food chain is known for its golden arches?
McDonald's
What is the symbol for "less than"
<
b - 9 ≥ -20
b ≥ -11, closed circle shading to the right
x/2 - 4 < 10
x < 28, open circle shading to the left
After paying $5.00 for a salad, Taylor has no more than $27.00 left. How much money did she have before buying the salad? Write an inequality that models this situation.
x - 5 ≤ 27
or
-5 + x ≤ 27
How many time zones are there around the world?
24
What is the symbol for "at most?"
≤
4x > 24
x > 6, open circle shading to the right
-5x + 3 > -22
x < 5, open circle shading to the left
How many t-shirts can Beckett buy with at least $40 if each t-shirt costs $8.00?
8x ≥ 40
What has to be broken before you can use it?
An egg
What is the symbol for "a maximum of"?
≤
m/3 ≤ 12
m ≤ 36, closed circle shading to the left
-6x-3>-15
x<2, open circle shading to the left
Last Friday Marissa had $22.50. Over the weekend she received some money for cleaning. She now has over $32.00. How much money did she get for cleaning?
x + 22.50 > 32
How many dots are on a pair of dice?
42
What is the symbol for "about equal to"?
≈
-2x < 18
x > -9, open circle shading to the right
9 < 2+(-x)
x < -7, open circle shading to the left
Max's employer has at most $18.00 to spend on tape measures for his crew. How many can he buy with that amount if each tape measure costs $4.50?
4.5x ≤ 18
What is the capital of Australia?
Canberra