Prime/Composite
Divisibility Rules
Comparing and Ordering
Place Value
Division
100
A prime number has ...
Only two factors.
100
What number's rule is "ends in 0, 2, 4, 6, or 8?"
2
100
What does > mean?
greater than
100
583,456. What PV is the 4 in?
hundreds
100
Where is the divisor?
On the outside of the bar, left side.
200
If a number has two or more factors, it is...
Composite
200
What is the rule for 5?
Ends in 0 or 5
200
What is the symbol for less than?
<
200
675,874.32
What is the value of the 2?
200
What are the steps for division?
Divide, Multiply, Subtract, Carry Down
300
All even numbers, except for the number 2, are ...
Composite
300
What is the rule for 3?
Add the digits and divide the sum by 3.
300
.65 > ____
Any number that is .651 or above.
300
fifty five and sixty two hundredths, standard form.
55.62
300
458 divided by 5
90 R 8
400
17: Prime or Composite?
Prime
400
Is 45 divisible by 9?
Yes. 4+5=9/9=1
400
.6783 ___ .67832
<
400
Written form for 348,654,321.2
three hundred forty-eight million, six hundred fifty-four thousand, three hundred twenty-one and two tenths
400
4568 divided by 17
268 R 12
500
24: Prime or Composite. Prove why and show factors.
Composite: 1, 2, 3, 4, 6, 8, 12, 24
500
738, what is it divisible by? Prove it!
2, 3, 6, 9
500
.7893 ___ .78932 _____ .8
< <
500
Expanded form for 321,456.345
300,00+20,000+1,000+400+50+6+.3+.04+.005
500
2258 divided by 21
107 R 11
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