Vocabulary I
the answer to an addition problem
sum
What are the two formulas for volume?
V = l x w x h
V = B x h
Can you add or subtract fractions when they have unlike denominators?
No, fractions need to have like denominators before you can add or subtract them.
7,452 - 574
6,878
How do you add fractions with unlike denominators?
Find the LCM (least common multiple) of the denominators.
Make equivalent fractions using the LCM as the common denominator.
the answer to a division problem
quotient
How do you find the volume of a compound figure?
Divide or split the shape visually, find the volume of each separate prism, and then add those volumes together
What do we call a fraction like this?
5/3
fraction greater than one
(used to be called an improper fraction)
142 divided by 9
15 R7
convert 4 1/3 to a fraction greater than one
13/3 (thirteen thirds)
the answer to a subtraction problem
difference
Why is volume measured in cubic units?
Volume measures the amount of space inside of a 3 dimensional figure (a 3-D figure has length, width and height). It measures how many cubes fit inside of a closed figure. Cubes have 3 dimensions.
convert 17/8 to a mixed number
2 1/8 (two and one-eighth)
631 + 8,219 + 502
9,352
What is a LCM (least common multiple)?
When skip-counting by 2 numbers, the LCM is the first number that they both have in common.
2: 2, 4, 6, 8, 10
5: 5, 10
10 is the LCM of 2 and 5
the answer to a multiplication problem
product
find the volume: 14 x 9 x 5
V = 630 cubic units
name for the top number in a fraction
numerator
4,061 - ____ = 2,984
1,077
the difference between the highest and lowest values in a data set
range
fractions that represent the same value but look different
equivalent fractions
give two different sets of dimensions for a box that holds 48 inch cubes
some possible answers:
2 x 12 x 2 2 x 3 x 8 3 x 4 x 4 2 x 4 x 6
The product of your 3 dimensions has to be 48
name for the bottom number in a fraction
denominator
3,358 = ____ + 1,749
1,609
check: 3,358 = 1,609 + 1,749
What symbol do you use to represent data on a line plot?
x