Multiples
List all the multiples of 10 (between 10 and 100)
10,20,30,40,50,60,70,80,90,100
list all the prime numbers between 1 and 5
2,3,5
What are the composite numbers between 1 and 5
4
Estimate 3+11
10+5=15
Round 1 to the nearest ten.
0
List all the multiples of 5 (between 5 and 50)
5,10,15,20,25,30,35,40,45,50
list all the prime numbers between 1 and 10
2,3,5,7
What are the composite numbers between 1 and 10
4,6,8,9,10
Estimate 23-7
20-10=10
Round 15 to the nearest ten
20
What are multiples?
Multiples are numbers you get when multiplied another number to get the answer
What are prime numbers?
Prime numbers are numbers that can only be divided by 1 and itself
what are composite numbers?
Composite numbers are numbers that can be divided more than 1 and itself
What is estimating?
Rounding numbers to find easier numbers to help you find the answer
What is rounding?
Finding the easiest number
List all the multiples of 6 (between 1 and 60)
12,18,24,30,36,42,48,54,60
list all the prime numbers between 50 and 60
53,57,59
list the composite number between 50 and 60
51,52,54,55,56,57,58
Estimate the value of 27*3
27*3=150
Round 2727 to the nearest hundred
2,700
List all the multiples of 8 (between 8 and 80)
8,16,24,32,40,48,56,64,72,80
List all the prime numbers between 1 and 50
2,3,5,7,13,17,19,23,29,31,37,41,43,47
What are the composite number between 1 and 50
4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28, 30,32,33,34,35,36,38,39,40,42,44,45,46,48,50
Estimate the value of 3,249.3- 234
3,000-200=2,800
Round 5753.5 to the nearest ten
5754