Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
How do we add or subtract fractions that have the same denominator?
|
We add or subtract the numerators. The resulting sum or difference is written over the denominator
|
1.A
|
|
|
How do we add or subtract fractions that have different denominator?
|
If the denominators are different, it is necessary to rewrite the fractions using unit multipliers so they have the same denominator.
|
1.A
|
|
|
What is a mixed number?
|
A mixed number is the sum of a whole number and a fraction.
ie. 13¾ = 13 + ¾, not 13 x ¾ |
1.A
|
|
|
How do we add and subtract mixed numbers?
|
We add the whole numbers and the fractions separately, then add the differences back together. Sometimes in subtraction we must borrow a whole number to complete the subtraction of the fractions.
|
1.A
|
|
|
Why is it impossible to draw a mathematical line?
|
It is impossible to draw a mathematical line because a mathematical line is a straight line that has no width and no ends.
|
1.B
|
|
|
How do we show the location of a mathematical line?
|
To show the location of a mathematical line, we draw a pencil line and put arrowheads on both ends to emphasize that the mathematical line goes on and on in both directions. We name a line by naming two points on the line.
|
1.B
|
|
|
What is a line segment?
|
A line segment is a part of a line. It contains the endpoints and all points between the endpoints.
|
1.B
|
|
|
How do we show the location of a line segment?
|
To show the location of a line segment, we use a pencil line with no arrowheads. We name a segment by naming the endpoints of the segment.
|
1.B
|
