week 15 dca review tenths & hundredths equivalent fractions factors, cf, & gcf prime &...
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Week 15 DCA ReviewTenths &
HundredthsEquivalent Fractions
Factors, CF, & GCF
Prime & Composite
Comparing & Ordering Fractions
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 50
How would you write 0.08 as a fraction?
8100
How would you write 0.003 as a fraction?
31000
How would you write 0.54 as a fraction?
54100
How would you write 0.062 as a fraction?
621000
How would you write 5.015 as a fraction?
1510005
2 = __ 3 12
2 = 8 3 12
7 = __ 8 64
7 = 56 8 64
16 = 4 24
16 = 4 24 6
Which of the following is equivalent to 3/7?
A. 6/21
B. 12/28
C. 15/28
D. 15/62
Which of the following is equivalent to 3/7?
A. 6/21
B. 12/28
C. 15/28
D. 15/62
Which of the following is equivalent to 8/13?
A. 16/27
B. 16/39
C. 24/39
D. 32/39
Which of the following is equivalent to 8/13?
A. 16/27
B. 16/39
C. 24/39
D. 32/39
Which list shows the factors of 36?
A. 1,2,3,5,18,36
B. 1,2,3,4,7,9,12,18,36
C. 1,3,4,6,9,12,18,36
D. 1,2,3,4,6,9,12,18,36
Which list shows the factors of 36?
A. 1,2,3,5,18,36
B. 1,2,3,4,7,9,12,18,36
C. 1,3,4,6,9,12,18,36
D. 1,2,3,4,6,9,12,18,36
What are the common factors of 12 and 36?
A. 2,3,4,6,12
B. 1,2,3,4,6,12
C. 1,2,3,4,6
D. 1,2,4,6,9,12,36
What are the common factors of 12 and 36?
A. 2,3,4,6,12
B. 1,2,3,4,6,12
C. 1,2,3,4,6
D. 1,2,4,6,9,12,36
What are the common factors of 18 and 24?
A. 2,3,6
B. 1,2,3,6
C. 1,2,3,6,8
D. 2,3,6,8
What are the common factors of 18 and 24?
A. 2,3,6
B. 1,2,3,6
C. 1,2,3,6,8
D. 2,3,6,8
What is the GCF of 18 and 36?
A. 9
B. 6
C. 12
D. 18
What is the GCF of 18 and 36?
A. 9
B. 6
C. 12
D. 18
What is the GCF of 24 and 50?
A. 10
B. 5
C. 2
D. 8
What is the GCF of 24 and 50?
A. 10
B. 5
C. 2
D. 8
Which list contains only prime numbers?
A. 1,2,5,7,9
B. 2,3,9,11
C. 3,11,19,23
D. 5,7,15,17
Which list contains only prime numbers?
A. 1,2,5,7,9
B. 2,3,9,11
C. 3,11,19,23
D. 5,7,15,17
Which list contains only composite numbers?
A. 4,21,24,30
B. 2,4,6,8
C. 2,9,21,26
D. 13,19,23
Which list contains only composite numbers?
A. 4,21,24,30
B. 2,4,6,8
C. 2,9,21,26
D. 13,19,23
Give the definition of a prime & composite number
Prime Number: A number that only has two factors, 1 and itself.
Composite Number: A number that has more than two factors.
What is the 5th prime number?
2,3,5,7,11
Sing the first 11 prime numbers through 31
To the tune of Jingle Bells…
2,3,5,7,11,13,17,19,23,29,31 Hey!
Which of these is correct?
A. 1/3 < 2/9
B. ¾ > 12/16
C. 5/6 > 10/18
D. ¾ < 9/16
Which of these is correct?
A. 1/3 < 2/9
B. ¾ > 12/16
C. 5/6 > 10/18
D. ¾ < 9/16
Which of these is correct?
A. 2/3 < 9/12
B. 1/3 > 9/12
C. 2/3 = 9/12
D. ¾ < 6/16
Which of these is correct?
A. 2/3 < 9/12
B. 1/3 > 9/12
C. 2/3 = 9/12
D. ¾ < 6/16
Which of these fractions is the greatest?
A. 1/12
B. 5/6
C. 7/9
D. 5/36
Which of these fractions is the greatest?
A. 1/12
B. 5/6
C. 7/9
D. 5/36
A. 5/6, ¾, ½, 3/12
B. 3/12, ½, ¾, 5/6
C. ¾, 3/12, 5/6, 1/2
D. ½, ¾, 5/6, 3/12
Put these fractions in order from greatest to least
A. 5/6, ¾, ½, 3/12
B. 3/12, ½, ¾, 5/6
C. ¾, 3/12, 5/6, 1/2
D. ½, ¾, 5/6, 3/12
Put these fractions in order from greatest to least
Put these fractions in order from least to greatest
A. 9/16, ¾, 1/8, 11/16
B. 1/8, 9/16, ¾,11/16
C. 1/8, 9/16, 11/16, 3/4
D. ¾, 11/16, 9/16, 1/8
Put these fractions in order from least to greatest
A. 9/16, ¾, 1/8, 11/16
B. 1/8, 9/16, ¾,11/16
C. 1/8, 9/16, 11/16, 3/4
D. ¾, 11/16, 9/16, 1/8