Factors
Adding Integers
Place Value
Math Tips
Number Line
100
What are the factors of the number 4?
The factors of 4 are the numbers that divide 4 exactly without leaving a remainder.
- 1 (1 is a factor of every number)
- 2 (because 4÷2=2)
- 4 (since 4÷4=1)
100
2+2=
4
100
Name four columns in place value.
Ones, Tens, Hundreds, Thousands
100
When adding integers the first thing you should do is...
Check to see if the signs are from the same "hood"
100
Which direction is positive on a number line?
RIGHT
200
What are the factors of the number 3?
1 because 1 divides every number
3 because 3 ÷ 3 = a whole number (1).
200
(-)15 + (-)10 =
-25
200
How would you write 1,245 in expanded form?
1,000 + 200 + 40 + 5
200
When adding integers with different signs the big homie tells you what?
Your answer should have the big homies sign (+ or -).
200
Which direction is negative on a number line?
LEFT
300
What are the factors of the number 6?
1
2
3
6
300
410+(-345) =
65
300
Write this number in standard form
8,000+200+90+9
8,299
300
Factors always have what number?
1
300
Draw a number line on the board from 8 to - 8
400
What are the factors of the number 8?
1
2
4
8
400
When adding integers, if the signs are the same should you add or subtract?
DAILY DOUBLE (Write out an example)
ADD
400
$1,450 + $2,209 = write in expanded form
*Daily Double
3,000+600+50+9
400
It is not a factor if it is a...
Decimal or fraction
400
What is the number in the middle of a number line always going to be?
0
500
Explain what a factor is to a first grader.
Imagine you have a big box of cookies, and you want to share them evenly with your friends. If you can share the cookies so that each friend gets the same number and there are no cookies left over, then the number of friends is a factor of the total cookies.
500
When adding integers with different signs, do you add or subtract?
How do you know what sign will be in your answer?
SUBTRACT
"Big Homie" or larger number will indicate the sign that should be in your answer.
500
3,000+600+50+9 (+) 2,000+500+50+9
6,218
500
Factors and Integers both use
WHOLE NUMBERS
500
Solve the word using the clues.
# - + ________
Number Line