Rounding
Round the number 369 to the nearest hundred.
400
What is the definition of a multiple?
A multiple is the number you get when you multiply 2 numbers. Example: 2 x 3 = 6. Therefore 6 is a multiple of 2 and 3. We can also find multiples by skip counting!
What is a factor?
Factors are numbers you multiply to get a product.
What is a prime number?
A number that can only be created by multiplying 1 and itself.
Ex. 11, 19, or 41
John has 54 markers. Angel has R markers. John has 3 times as many markers as Angel has. What are 2 TRUE statements about the amount of markers John Angel has?
1. John has more markers than Angel.
2. The amount of markers John has can be solved by the equation: R x 3 = 54
What are 2 different methods we can use to round?
Number Line and Next Door
What number is a multiple of 21?
3 and 7
List all the factors for the number 20.
1,2, 4, 5,10
What is a composite number?
A number that has multiple factor pairs.
Ex. 48 (12 x 4) and (24 x 2)
Will is a standout football player who threw 72 touchdowns this season which was 4 times more then he threw last season. How many touchdowns did Will throw last season?
18. (72 divided by 4)
A Kendrick Lamar fan rounded the number of people he saw at the concert to the nearest thousand and said there were about 15,000 people at the concert. What could've been the exact number of people at the concert?
A. 14,399
B. 15,385
C.14,856
D. 11,000
14,856 people.
What numbers are a multiple of 10?
1, 2,5, and 10.
What are factors for the number 48?
1,2,3,4,12,16,24,48
Is the number 13 prime or composite?
Prime
What is the first question you should ask yourself when looking at a multiplicative comparison problem?
Who has the bigger the amount?
What number when rounded to the nearest thousand is 18,000?
A. 17,129
B. 17,921
C. 16,538
D. 16,853
B. 17,921
What number is a multiple of 4 and 6?
24
What are factors for the number 36?
1,3,6,12,36
Is the number 28 prime or composite?
Composite
Mike wrote the number sentence: 7 x 3 = 21.
He described the number sentence 21 is 3 times greater than 7. Is he correct?
Yes he is correct!