Evaluate the following mathematical expressions by using GEMDAS. Show your solutions on the space provided and circle your answer.
1.34 - 3 × 10 ÷ 6 + 8
2. 9 × (3² - 2 × 3) - 15
3. 63 ÷ 7 + 3 × 5
4. (12 ÷ 6) × 2² ÷ 8 - 2 + 7
5. 8 × 9 + 12 ÷ 4
pls pls
1.34 - 3 × 10 ÷ 6 + 8
2. 9 × (3² - 2 × 3) - 15
3. 63 ÷ 7 + 3 × 5
4. (12 ÷ 6) × 2² ÷ 8 - 2 + 7
5. 8 × 9 + 12 ÷ 4
pls pls
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EVALUATING ALGEBRAIC EXPRESSIONS
1. 34 - 3 x 10 ÷ 6 + 8
= 34 - 30 ÷ 6 + 8
= 34 - 5 + 8
= 29 + 8
= 39
2. 9 x (3² - 2 x 3) - 15
= 9 x (9 - 2 x 3) - 15
= 9 x (9 - 6) - 15
= 9 x 3 - 15
= 27 - 15
= 12
3. 63 ÷ 7 + 3 x 5
= 9 + 3 x 5
= 9 + 15
= 24
4. (12 ÷ 6) × 2² ÷ 8 - 2 + 7
= 2 x 2² ÷ 8 - 2 + 7
= 2 x 4 ÷ 8 - 2 + 7
= 8 ÷ 8 - 2 + 7
= 1 - 2 + 7
= -1 + 7
= 6
5. 8 × 9 + 12 ÷ 4
= 72 + 12 ÷ 4
= 72 + 3
= 75
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GEMDAS
Direction:
Evaluate the following mathematical expressions by using GEMDAS. Show your solutions on the space provided and circle your answer.
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Answers:
1. 34 - 3 × 10 ÷ 6 + 8 = 37
Solution:
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2. 9 × (3² - 2 × 3) - 15 = 12
Solution:
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3. 63 ÷ 7 + 3 × 5 = 24
Solution:
===========================
4. (12 ÷ 6) × 2² ÷ 8 - 2 + 7 = 6
Solution:
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5. 8 × 9 + 12 ÷ 4 = 75
Solution:
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What is the meaning of GEMDAS?
GEMDAS are:
» If we are going to get an answer to a question or problem, just follow the GEMDAS rules because here we are based on the sequence of the solution.
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