Math Sentences
Rewrite this into number form:
The sum of twelve and a number is less than forty.
12 + n < 40
Solve for the variable:
4 + 5n = 49
n = 9
Multiply and Reduce:
3/8 x 12/20
9/40
When two reciprocals are multiplied, their product is always ___________.
One.
On a balanced scale, there are 7 rocks on one side and 4 rocks and 9 paper clips on the other side.
1rock = _______ paper clips
1 rock = 3 paper clips
Rewrite into number form:
Half of a number is equal to nine.
n/2 = 9
Solve for the variable:
12(24 - y) = 96
y = 16
Multiply and reduce:
24/50 x 1/2
6/25
Write the reciprocal of 1/n
n
A balanced scale has 18 coins on one side and five buttons and 8 coins on the other.
1 button = _______ coins
1 button = 2 coins
4 + x > 50
The sum of four a number is greater than fifty.
Solve for the variable:
3 + 4x = 2x - 1
x = -2
Multiply and Reduce:
5 x 8/30
4/3 or 1 1/3
Divide and simplify:
6/10 / 2/3
9/10
Half a brick is equal to nine feathers.
If one side of the scale as 45 feathers, how many bricks should be on the other side?
2 1/2 bricks
4(16 - 32) < (4 - 16) + 32
FALSE
28 is NOT less than 3
Solve for the variable:
6a - 11 = 109
a = 20
Harriet brought half a bag of Takis to school. She shared them at lunch with four of her friends, and they each had six Takis. How many Takis came in the bag when Harriet first bought the bag at the store?
60 Takis
Divide and simplify:
8/3 / 1/2
16/3 or 5 1/3
Solve for the variable:
4 + y = -26
y = - 30
State whether this sentence is true or false AND give mathematical proof:
4(-8)(-2)(-1) = (-1)(64)
TRUE
-64 = -64
Solve for the variable:
(7 + b)/5 = 15
b = 68
Multiply and reduce:
5/2 x 13/4
65/8 or 8 1/8
A swimming pool is open for 7 1/2 hours every day during the summer. There is always 1 life guard on duty, and each life guard's shift is 1 1/2 hours long.
How many life guard shifts are there per day?
5
Which fraction is NOT equivalent to 3/8
15/40
6/18
12/32
27/72
6/18