2. Using PEMDAS, what operation will you do first in 6 + 2 x 7-5?
A. addition
B. subtraction
C. multiplication
D. division
3. What is 3 + (5x3) - 2 equal to?
A. 16
B. 22
C. 14
D. 20
4. What will u do first in 24 ÷ 2 (5-3)x2?
A. 24 ÷ 2
B. 2 + 5
C. 3x2
D. ( 5- 3)
5. What will u do first in 5 x 9 ÷ (8+7)-3?
A. (8 + 7)
B. 5 x 9
C. 7-3
D. 9 ÷ 8
6. Find the answer in 4+ ( 3x3)-5
A. 6
B. 7
C. 8
D. 9
7. Solve: 4 x 5 - 10
A. 5
B. 10
C. 15
D. 20
8. What is N in 12 + 8 ÷ 8-3=N
A. 10
B. 5
C. 1
D. 8
9. What is ( 28 ÷ 7) x 2 equals to?
A. 3
B. 6
C. 9
D. 8
10. What is the value of N in (15 x 10) -200 = N
A. 350
B. 300
C. 450
D. 400
11. What is the GCF of 18 and 24?
A. 9
B. 12
C. 6
D. 24
12. Find the GCF of 35 and 45
A. 5
B. 7
C. 9
D. 15
13. Find the GCF of 12, 24 and 16.
A. 2
B. 6
C. 4
D. 8
14. What is the LCM of 3 and 4?
A. 3
B. 4
C. 14
D. 16
15. What is the LCM of 6 and 8?
A. 6
B. 8
C. 12
D. 24
16 The greatest common factor (GCF) of two or more numbers is the biggest divisor by which each of the given numbers is divisible.
A. True
B. False
17. The least common multiple (LCM) of two more numbers is the smallest number that is divisible by each of the given numbers.
A. True
B. False
18 Continuous divisible is one way of determining the prime factors of the set of numbers in order to get a GCF or a LCM.
A. True
B. False
19 The GCF of 45 and 40 is 8
A. True
B. False
20 The least common multiple of 6 and 12 is 16
A. True
B. False
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