When solving a numerical expression that has more than one operation, we must follow the PMDAS rule. * True
False
2. In 30 ÷ 6 x 5 + 10 - 4, the first step must be 6 x 5. *
True
False
3. The last step in given# 2 must be 10 - 4. *
True
False
4. The final answer in given #2 is 7. *
True
False
5. Common factors are factors that are the same for two or more numbers. *
True
False
6. The GCF is the greatest factor or divisor among the common factors of the numbers.
True
False
7. Another name for Factor Tree is Ladder Method which is one of the process in getting the GCF. *
True
False
8. The LCM of two or more numbers is the smallest non-zero number that is a common multiple of those numbers. *
True
False
9. The least common multiple of relatively prime numbers are their product. *
True
False
10. A multiple of a number is the sum obtained when adding a number by a counting numbers.
True
False
B. Multiple Choice (GCF and LCM)
Choose the correct answer.
11. What is the GCF of 15 and 45? *
5
15
30
45
12. What is the GCF of 16, 24, and 32? *
8
16
24
32
13. The LCM of 8, 10, and 15 is ____. *
80
100
120
140
14. The GCF of 8, 12, and 16 is _____.
4
12
32
48
15. The LCM of 8, 12, and 16 is _____.
4
12
32
48
C. Multiple Choice (Order of Operations)
Choose the letter of the correct answer.
16. 2 + 4 x 6 = ______
26
36
46
56
17. (7 x 8 - 4) ÷ (6 - 2) = ______
12
13
14
15
18. 8 - 2 + 1 + 5 - 6 = _____
-6
0
4
6
19. 6 ÷ [8 - (2+5)] + 2 = _____
4
6
8
10
20. 18 ÷ 9 + 3 x 6 - 15
5
15
20
10
Please answer this correctly, I really need it now pleasee
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