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) Choose and fill in the correct choice in the blank below. 428 + 47 + 6 = ____ + 20
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2) Choose and fill in the correct choice in the blank below. 547 + 65 + 4 = ____ + 20
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3) Choose and fill in the correct choice in the blank below. 646 + 73 + 1 = ____ + 20
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4) Choose and fill in the correct choice in the blank below. 378 + 30 + 2 = ____ + 20
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5) Choose and fill in the correct choice in the blank below. 858 + 71 + 1 = ____ + 20
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6) Choose and fill in the correct choice in the blank below. 627 + 27 + 6 = ____ + 20
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7) Choose and fill in the correct choice in the blank below. 777 + 34 + 1 = ____ + 20
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8) Choose and fill in the correct choice in the blank below. 328 + 71 + 7 = ____ + 20
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9) Choose and fill in the correct choice in the blank below. 825 + 62 + 3 = ____ + 20
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10) Choose and fill in the correct choice in the blank below. 573 + 57 + 2 = ____ + 20
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1) Choose and fill in the correct choice in the blank below. 428 + 47 + 6 = ____ + 20
Answer: 3 SOLUTION 1 : Step 1: 428 + 47 + 6 = 481 Step 2: 481 - 20 = 461 |
2) Choose and fill in the correct choice in the blank below. 547 + 65 + 4 = ____ + 20
Answer: 2 SOLUTION 1 : Step 1: 547 + 65 + 4 = 616 Step 2: 616 - 20 = 596 |
3) Choose and fill in the correct choice in the blank below. 646 + 73 + 1 = ____ + 20
Answer: 2 SOLUTION 1 : Step 1: 646 + 73 + 1 = 720 Step 2: 720 - 20 = 700 |
4) Choose and fill in the correct choice in the blank below. 378 + 30 + 2 = ____ + 20
Answer: 2 SOLUTION 1 : Step 1: 378 + 30 + 2 = 410 Step 2: 410 - 20 = 390 |
5) Choose and fill in the correct choice in the blank below. 858 + 71 + 1 = ____ + 20
Answer: 3 SOLUTION 1 : Step 1: 858 + 71 + 1 = 930 Step 2: 930 - 20 = 910 |
6) Choose and fill in the correct choice in the blank below. 627 + 27 + 6 = ____ + 20
Answer: 4 SOLUTION 1 : Step 1: 627 + 27 + 6 = 660 Step 2: 660 - 20 = 640 |
7) Choose and fill in the correct choice in the blank below. 777 + 34 + 1 = ____ + 20
Answer: 4 SOLUTION 1 : Step 1: 777 + 34 + 1 = 812 Step 2: 812 - 20 = 792 |
8) Choose and fill in the correct choice in the blank below. 328 + 71 + 7 = ____ + 20
Answer: 3 SOLUTION 1 : Step 1: 328 + 71 + 7 = 406 Step 2: 406 - 20 = 386 |
9) Choose and fill in the correct choice in the blank below. 825 + 62 + 3 = ____ + 20
Answer: 4 SOLUTION 1 : Step 1: 825 + 62 + 3 = 890 Step 2: 890 - 20 = 870 |
10) Choose and fill in the correct choice in the blank below. 573 + 57 + 2 = ____ + 20
Answer: 2 SOLUTION 1 : Step 1: 573 + 57 + 2 = 632 Step 2: 632 - 20 = 612 |