to make the divisibility rules foldable, you will need 4 pieces of paper
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To make the Divisibility Rules foldable, you will need 4 pieces of paper. To make the Divisibility Rules foldable, you will need 4 pieces of paper. To make the Divisibility Rules foldable, you will need 4 pieces of paper. - PowerPoint PPT PresentationTRANSCRIPT
To make the Divisibility Rules foldable, you will need 4 pieces of paper
To make the Divisibility Rules foldable, you will need 4 pieces of paper
To make the Divisibility Rules foldable, you will need 4 pieces of paper
To make the Divisibility Rules foldable, you will need 4 pieces of paper
To make the Divisibility Rules foldable, you will need 4 pieces of paper
Then fold it back on itself to make the 10 “flaps”
Then fold it back on itself to make the 10 “flaps”
Then staple along the top edge to keep it all together…
Warm up1.Teresa runs each day to practice
for an upcoming race. On Friday she ran between 5.2 and 5.3 miles. Which of the following could have been the distance she ran?
A)5.155 B) 5.321 C) 5.5 D) 5.21
2. Ella orders two tacos for $2.90 each and a large curly fry for $3.15. What is her approximate total?
A) $9 B) $6 C) $7 D) $8
DivisibilityPrime NumbersThe Number 1
Composite Numbers
Divisibility Rule 2Divisibility Rule 3
& 9Divisibility Rule 6Divisibility Rule 5
& 10
Prime Numbers
Are numbers that can only be divided by 1 and itself.
Examples:
Composite Numbers
Are numbers that have an additional divisor other than 1 and itself
Examples:
The Number 1
Is not Prime or Composite.
Why?
2
If the number is EVEN
Examples:
Non-examples:
3
If the sum of the digits is divisible by 3
Examples:
Non-examples:
9
If the sum of the digits is divisible by 9
Examples:
Non-examples:
6
If the number is EVEN and divisible by 3
Examples:
Non-examples:
5
If the number ends in 0 or 5
Examples:
Non-examples:
10
If the number ends in 0Examples:
Non-examples:
25
If the last 2 numbers are 00, 25, 50, 75Think about quarters
Examples:Non-examples:
2 3 5 9 10 25
26
27
30
Are these
numbers
Divisible by these numbers?
2 3 5 9 10 25
32
42
45
Are these
numbers
Divisible by these numbers?
2 3 5 9 10 25
50
75
90
Are these
numbers
Divisible by these numbers?
1) Divisible by 3?
53 77132 94
29 14 94 75
87 91 109 118
44 36274 19
2) Divisible by 25?
275 177 256 305
452 650 502 372
195 220 200 85
Divisible by 23) 1,32_ 4) 36_ 5) _42 6) 6,52_
Divisible by 57) 7,82_ 8) 16_ 9) 2,18_ 10) 45_
Divisible by 911) 1,52_ 12) 23_ 13) _24 14) 92_
Some Friendly Advice
Divisible by2 3 5 9 10
1. 4095 S N E V O