Multiples
First five multiples of 5
What are 5, 10, 15, 20, 25...
What shape do we use to make a list of all factors of a number
What is "T" chart
Round 234 to the nearest ten
230
A prime number ONLY has the factors of ____ and itself.
What is: 1 for Example: 5 is a prime number because its only factors are 1x5
Find the sum of 2,356 and 2,300
4,656
First five multiples of 6
What are 6, 12, 18, 24, 30.....
List all the factors of 16 in a T-Chart
What are 16 1x16 2x8 4x4
Round 563 to the nearest hundred
600
Use a Factor T-chart to show that 12 is a composite number.
What is 12 1x12 2x6 3x4 There are 3 factor pairs that equal to 12, so 12 is a composite number.
Find the difference between 370 and 120
250
First five multiples of 11
What are 11, 22, 33, 44, 55...
List all the factors of 28 using a T-Chart
What are 28 1x28 2x14 4x7
Round 3,892 to the nearest hundred
3,900
19 Prime or composite. Make a Factor T-Chart to prove it.
What is: PRIME 19 1x19
Find the sum of 5,628 and 15,491
21,119
There are ________ multiples and only a few factors
What is "many" There are MANY multiples and just a FEW Factors
List all the factors of 24 by using a T-Chart
What are: 24 1x24 2x12 3x8 4x6
Round 23,444 to the nearest thousand
23,000
25 Prime or Composite Make a T-Chart to PROVE It
What is: composite 25 1x25 5x5
What is the sum of 19,657 and 12,986
32,643
What factors do the numbers 18 and 30 have in common? First make a T-chart for both, then circle the factors they have in common.
What are: 18: 1x18 2x9 3x6 30 1x30 2x15 3x10 5x6 In common: 1, 2, 3 & 6
Round 999,999 to the nearest hundred
1,000,000
100 Prime or composite? Make a Factor T-Chart to PROVE it.
What is: Composite 100 1x100 2x50 4x25 5x20 10x10
What is the difference between 200,300 and 74,283
126,017