Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) Is -6 – 2 positive or negative
Answer:_______________ |
| 2) Is 17 – _9 positive or negative
Answer:_______________ |
| 3) Is 4 – -9 positive or negative
Answer:_______________ |
| 4) Is 7 – 38 positive or negative
Answer:_______________ |
| 5) Is -5 – 2 positive or negative
Answer:_______________ |
| 6) Is 13 – _1 positive or negative
Answer:_______________ |
| 7) Is 2 – -7 positive or negative
Answer:_______________ |
| 8) Is 7 – 27 positive or negative
Answer:_______________ |
| 9) Is -5 – 1 positive or negative
Answer:_______________ |
| 10) Is 25 – _2 positive or negative
Answer:_______________ |
| 1) Is -6 – 2 positive or negative
Answer: 1 SOLUTION 1 : Since you are subtracting a larger positive number, -6, from a smaller positive number, 2, the result becomes negative. You can check your answer by doing the maths. -6 – 2 = -4
|
| 2) Is 17 – _9 positive or negative
Answer: 2 SOLUTION 1 : Remember: Instead of subtracting a number, you can add its opposite. Solve: Since you are subtracting a negative number, add a positive number instead: 17 – -9 = 17 + 9
You can check your answer by doing the maths. 17 – -9 = 8
|
| 3) Is 4 – -9 positive or negative
Answer: 2 SOLUTION 1 : Since you are subtracting a larger positive number, -9, from a smaller positive number, 4, the result becomes negative. You can check your answer by doing the maths. -9 – 4 = -5
|
| 4) Is 7 – 38 positive or negative
Answer: 2 SOLUTION 1 : Solve: Since you are subtracting a larger positive number, 38, from a smaller positive number, 7, the result becomes negative. You can check your answer by doing the maths. 7 – 38 = -31
|
| 5) Is -5 – 2 positive or negative
Answer: 1 SOLUTION 1 : Since you are subtracting a larger positive number, -5, from a smaller positive number, 2, the result becomes negative. You can check your answer by doing the maths. -5 – 2 = -3
|
| 6) Is 13 – _1 positive or negative
Answer: 2 SOLUTION 1 : Remember: Instead of subtracting a number, you can add its opposite. Solve: Since you are subtracting a negative number, add a positive number instead: 13 – -1 = 13 + 1
You can check your answer by doing the maths. 13 – -1 = 12
|
| 7) Is 2 – -7 positive or negative
Answer: 2 SOLUTION 1 : Since you are subtracting a larger positive number, -7, from a smaller positive number, 2, the result becomes negative. You can check your answer by doing the maths. -7 – 2 = -5
|
| 8) Is 7 – 27 positive or negative
Answer: 1 SOLUTION 1 : Solve: Since you are subtracting a larger positive number, 27, from a smaller positive number, 7, the result becomes negative. You can check your answer by doing the maths. 7 – 27 = -20
|
| 9) Is -5 – 1 positive or negative
Answer: 2 SOLUTION 1 : Since you are subtracting a larger positive number, -5, from a smaller positive number, 1, the result becomes negative. You can check your answer by doing the maths. -5 – 1 = -4
|
| 10) Is 25 – _2 positive or negative
Answer: 1 SOLUTION 1 : Remember: Instead of subtracting a number, you can add its opposite. Solve: Since you are subtracting a negative number, add a positive number instead: 25 – -2 = 25 + 2
You can check your answer by doing the maths. 25 – -2 = 23
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