Number Sense and Algebraic Thinking
True or False:
25% = .25 = 2/5 =2:5
What is the area of a square with a side length of 7 feet?
49 square feet
Write the numerical expression for:
Ben split his bag of snack (s) between 6 people.
s / 6
0.32 + 0.065 = ?
0.385
Order the following integers from least to greatest:
-5, 0 , -13, 2, |-8|
-13, -5, 0, 2, |-8|
A baker bakes 15 cakes in 4 hours. How many cakes will he bake in 8 hours?
30 cakes in 8 hours
What is the length of a square that has a width of 4.25 units and an area of 34 square units?
8
Write the numerical expression for the following:
Saatchi had $54. He gave some(g) to his brother.
54 - g
1/8 + 5/12 = ?
13/24
Mode=most, Median= middle #, range= greatest - least
What is the median/mode/range of the following data set?
10, 12, 10, 15, 15, 10, 20, 25, 10, 18, 13
Median: 13
Mode: 10
Range:15
If a rectangular prism has edge lengths of 2 cm, 5 cm, and 10 cm, what is its volume?
100 cubic cm
Solve for y:
y / 3 = 11
y = 33
If x=5 , then what is the value of 10x + 3x - 10 + 1 ?
56
A class got the following test scores. 84, 93, 68, 100, 40. What is the average test score? (the mean)
77
What is the area of a triangle that has a base of 12 inches and a height of 6 inches
36in2
3y - 13 = 41
y = 18
solve and simplify:
3/5 x 4/6
6/15
Solve the following:
23 +24 / (8+4)
10
Order the following #'s from least to greatest
(Hint: convert to the same type of number)
1/4, .33, 10%, 3/4, 2
10%, 1/4, .33, 3/4, 2
(.10, .25, .33, .75, 2.0)
What is the height of a triangle that has a base that is 9 in and an area of 18 inches squared
4 inches
Write the expression for the following:
Fiona was helping out at a horse camp and babysitting over the summer. She earns 10 dollars per hour for working at horse camp, and 12 dollars per hour for babysitting.
Let (h) represent the hours she works at horse camp, and (b) represent the hours she babysits.
10h + 12b
(5 - 2.8) / 0.11 = ?
20