This is a number without a fractional part that is also non-negative.
This is a whole number.
100
-2008 _____ -2009
>
100
2/8 + 4/8=
6/8=3/4
100
7/10-3/10=
4/10=2/5
100
+ --> --
X --> /
These are inverse operations.
200
What is a negative number?
A negative number is a number less than zero. On a number line, it is to the left of zero.
200
|-4| ______ |4|
=
200
3/20+3/5=
15/20=3/4
200
2/3-1/5=
7/15
200
Break this number down into its place values: 6,789,215
6 millions, 7 hundred thousands, 8 ten thousands, 9 one thousands, 2 hundreds, 10 tens, 5 ones
300
Two numbers are ________ if they are the same distance from zero but on different sides of the number line.
Opposite.
300
|56| - |-48|=
8
300
8/39+4/13=
20/39
300
4/7-15/49=
13/49
300
What two integers are 9 spaces away from zero on a number line?
9 and -9.
400
What is an integer? Give three examples.
An integer is a positive whole number, its opposite, or zero. 5,-5,or 0.
400
Explain why -5>-7
-5>-7 because -5 is more on the right than -7 on a number line. The farther to the right a number is on a number line, the greater it is. The farther to the left a number is on a number line, the smaller it is. -5 comes before -7 on a number line that is why it is greater than -7.
400
1/6+18/7=
115/42
400
4/7-5/12
13/84
400
7882+4556=
Explain the reason behind "carrying a one." Be specific!
12, 438. The one is carried in the hundreds and thousands column because the place values switch so the numbers must re-group and spill over to the next column which is big enough to hold the previous column's number.
500
An integer's POSITIVE distance from zero.
This is the integer's absolute value.
500
|456| + |-10| ______ |-480|
<
500
Emily heated her lunch for 13/6 minutes in the microwave oven. Finding the food still cold, she heated it for 13/8 more minutes. How many total minutes did she heat her lunch?