Place Value
Write these numbers in order from LEAST to GREATEST
435, 904
434, 992
435, 990
434, 899
434, 899
434, 992
435, 904
435, 990
Use a doubling strategy:
14 x 2
28
What is a prime number? Give an example of a number that is prime
A prime number is any number that only has factors of 1 x itself
Examples could be: 1, 2, 3, 5, 7, 9, 11, 13, 17, 19, 23 etc.
List the factors of 16
1, 2, 4, 8 16
Calculate the AREA for a rectangle that has a length of 10in and a width of 4in
A = 40in2
What number is:
50,000 + 200,000 + 300 + 4,000 + 2
254,302
Use a doubling strategy:
23 x 4
92
What is a composite number? Give an example and prove that it is composite
Composite numbers have many factors:
4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25 etc..
List 5 multiples of 4
4, 8, 12, 16, 20,
Calculate the PERIMETER for a rectangle that has a length of 10in and a width of 4in
P = 28 inches
Round 98,203 to the nearest THOUSAND
98,000
Use a doubling strategy:
13 x 8
104
Which number is COMPOSITE and prove it!
11, 13, 15, 19
15 (5 x 3 = 15)
Which of the following are factors of 100
A. 3, 10
B. 4, 5
C. 6, 10
D. 5, 8
B. 4 and 5
4x25 and 5 x20
A farmer is building a fence around a rectangular field that is 24 yards long and 15 yards wide. How many yards of fence will he need to buy?
78 yards
500 is __ times greater than 50
10
Use the fives strategy -
*Remember Multiply by ten and half the answer
23 x 5
115
Which of the following numbers is PRIME
4, 7, 8, 9, 12
7
Which number is NOT a factor of 24:
2, 3, 4, 5, 8
5
A square picture frame has a perimeter of 48 inches. What is the length of each of the sides?
12 inches
How many times greater is 100,000 than 1,000
100
What is 28 x 5
140
Prove it: Why is 49 a COMPOSITE number
7 x 7 = 49
A. 3, 6, 9, 14, 16, 21
B. 3, 6, 8, 10, 12, 15
C. 3, 9, 12, 18, 21, 30
D. 3, 9, 13, 15, 18, 24
C. 3, 9, 12, 18, 21, 30
135 in2