Ch. 1 Vocab
One of the ten basic numbers.
Digit
What is the value of 2 in 1,526,304?
20,000
Carry out the operations.
Simplify
Use a property to complete 2 + 9 = 9 + ___.
2
A letter that represents a number.
Variable
What is the variable in 20 - 2x?
x
The answer in addition.
Sum
Compare 544 and 579.
544<579
Having the same value.
Equivalent
Are these equivalent expressions: 42(2) and 21 + 12
No
A term that is a number.
Constant
Name the terms in -3xy + 9x.
-3xy, 9x
The answer in multiplication.
Product
Find the power of 6^3.
216
A fact that is true for addition and multiplication.
Property
Simplify the expression.
29 - 16 + 48 / 3
29
Replace a variable with a number.
Substitute
Simplify 1 + 2ab + 7a + 9.
2ab + 7a + 10
The answer in division.
Quotient
Round 659 to the nearest hundred.
700
A number multiplied by zero is zero.
Zero Property
Simplify (45/9)(2) - 3
7
Add or subtract the coefficients of the variables.
Combine like terms
Evaluate (15 / a)a when a = 5.
15
A closed figure with 3 or more sides.
Polygon
What is the perimeter of a triangle with the side measurements of 2 m, 4 m and 5 m?
11 m
The number of squares needed to cover a closed figure.
Area
Find the area of a rectangle with a length of 10 cm and a width of 15 cm.
150 cm^2
The number of cubes needed to fill a space.
Volume
Find the volume of a cube with a length of 8 m, a width of 7 m and a height of 10 m.
560 m^3