Place Value
Look at the number below. Name the place the 6 is in.
7,564,234
The ten thousands place
Finish the sentence:
A prime number has ...
only two factors, 1 and itself.
What are factors?
They are what you multiply together to equal a product.
What are multiples?
The product of a whole number and any other whole number.
1,456 + 434
1,890
What is the value of the 7 in 657,908?
7,000
A number with more than two factors.
Bonus: All even numbers are composite.
How many factors does the number 5 have?
2 factors (1 and 5)
List the first 5 multiples of the number 6.
6, 12, 18, 24, 30
5673 - 987
4,686
Compare these numbers:
784,782 __ 787,567
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Is 53 prime or composite?
Prime
It only has 2 factors: 1 and 53
What are the factors of 28?
1, 2, 4, 7, 14, 28
What is the 8th multiple of the number 2?
16
(8x2=16)
345 x 5
1,725
Round this number to the nearest hundred:
6,745
6,700
Mrs. Lorenti says that 45 is prime because it is an odd number. Is she correct?
NO
Mrs. Lorenti is incorrect because 45 has more than 2 factors. Just because a number is odd, does not mean it is prime.
What factors do 12 and 15 have in common?
1 and 3
List the first 10 multiples of 3.
3, 6, 9, 12, 15, 18, 21, 24, 27, 30
Lyric and Rylee were playing Blooket. Lyric scored 2 times as many points as Rylee. Rylee scored 45 points. How many points did Lyric score?
90 points
Round to the nearest ten:
90,456
90,460
Is 77 prime or composite?
Composite
The factors of 77 are 1, 7, 11, 77
What are the factors of 45?
1, 3, 5, 9, 15, 45
List the first 5 multiples of 25.
25, 50, 75, 100, 125
Daniel wants to give his 8 friends erasers. He wants to give each friend 20 erasers. How many erasers will he need to buy?
160 erasers