-8 + -9 =
-17
What are the four math operations?
Addition, subtraction, multiplication, division.
3(6 + 7)
39
2.31 +1.6 =
3.91
1/7 + 4/7 =
5/7
-15 + 6 =
-9
What is the symbol for a number we don't know called?
Variable.
40 / 4 - (5 - 3)
8
6.3 - 4.16 =
2.15
2/5 + 1/7 =
19/35
12 - (-4)
16
a number and a variable multiplied together is called?
Example 4x
Term.
(10 - 2 * 1) 8
64
1.94 - .78 =
1.16
What is a fraction with larger numerator?
Improper fraction.
(-8)- (-12) =
4
A mathematical phrase that contains a number, variable and operator (i.e. addition, subtraction, multiplication or division).
Expression.
-4 + (2 + 3)3
121
73.24 x 5.1 =
373.524
(2/5) / (2/3)
3/5
(-25)/(5)
-5
The answers to an addition problem. Subtraction problem. Multiplication problem. Division problem.
Sum. Difference. Product. Quotient
1 + (3 + 10) * 4 - 2
51
5 / 68.5
13.7
(1 2/3) X (1/2) =
5/6