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) Solve the expressions, add: 18Y - 23J, 9J - 9Y + 4 Y - J
Answer:_______________ |
2) Solve the expressions, add: 16Q - 20O, 3O - 2Q + 4 Q - O
Answer:_______________ |
3) Solve the expressions, add: 11C - 23H, 5H - 7C + 12 ___C - H
Answer:_______________ |
4) Solve the expressions, add: 16D - 17Z, 5Z - 6D + 12 D - Z
Answer:_______________ |
5) Solve the expressions, add: 16B - 23T, 4T - 8B + 3 B - T
Answer:_______________ |
6) Solve the expressions, add: 17L - 22T, 3T - 4L + 12 L - T
Answer:_______________ |
7) Solve the expressions, add: 12B - 15F, 11F - 8B + 19 B - F
Answer:_______________ |
8) Solve the expressions, add: 21V - 16G, 5G - 4V + 7 V - G
Answer:_______________ |
9) Solve the expressions, add: 25O - 20Q, 5Q - 6O + 4 O - Q
Answer:_______________ |
10) Solve the expressions, add: 15V - 28A, 7A - 8V + 2 V - A
Answer:_______________ |
1) Solve the expressions, add: 18J - 23K, 9K - 9J + 4 Answer: 9J - Answer: 14K Answer: 4 SOLUTION 1 : (18J -23K) + (9K -9J + 4) = 18J -23K + 9K -9J + 4 = (18J -9J) + (-23K + 9K) + 4 = (18- 9)J + (-23 + 9)K + 4 = 9J - 14K + 4 |
2) Solve the expressions, add: 16O - 20W, 3W - 2O + 4 Answer: 14O - Answer: 17W Answer: 4 SOLUTION 1 : (16O -20W) + (3W -2O + 4) = 16O -20W + 3W -2O + 4 = (16O -2O) + (-20W + 3W) + 4 = (16- 2)O + (-20 + 3)W + 4 = 14O - 17W + 4 |
3) Solve the expressions, add: 11A - 23U, 5U - 7A + 12 Answer: 4A - Answer: 18U Answer: 12 SOLUTION 1 : (11A -23U) + (5U -7A + 12) = 11A -23U + 5U -7A + 12 = (11A -7A) + (-23U + 5U) + 12 = (11- 7)A + (-23 + 5)U + 12 = 4A - 18U + 12 |
4) Solve the expressions, add: 16Q - 17L, 5L - 6Q + 12 Answer: 10Q - Answer: 12L Answer: 12 SOLUTION 1 : (16Q -17L) + (5L -6Q + 12) = 16Q -17L + 5L -6Q + 12 = (16Q -6Q) + (-17L + 5L) + 12 = (16- 6)Q + (-17 + 5)L + 12 = 10Q - 12L + 12 |
5) Solve the expressions, add: 16B - 23N, 4N - 8B + 3 Answer: 8B - Answer: 19N Answer: 3 SOLUTION 1 : (16B -23N) + (4N -8B + 3) = 16B -23N + 4N -8B + 3 = (16B -8B) + (-23N + 4N) + 3 = (16- 8)B + (-23 + 4)N + 3 = 8B - 19N + 3 |
6) Solve the expressions, add: 17V - 22O, 3O - 4V + 12 Answer: 13V - Answer: 19O Answer: 12 SOLUTION 1 : (17V -22O) + (3O -4V + 12) = 17V -22O + 3O -4V + 12 = (17V -4V) + (-22O + 3O) + 12 = (17- 4)V + (-22 + 3)O + 12 = 13V - 19O + 12 |
7) Solve the expressions, add: 12X - 15K, 11K - 8X + 19 Answer: 4X - Answer: 4K Answer: 19 SOLUTION 1 : (12X -15K) + (11K -8X + 19) = 12X -15K + 11K -8X + 19 = (12X -8X) + (-15K + 11K) + 19 = (12- 8)X + (-15 + 11)K + 19 = 4X - 4K + 19 |
8) Solve the expressions, add: 21H - 16U, 5U - 4H + 7 Answer: 17H - Answer: 11U Answer: 7 SOLUTION 1 : (21H -16U) + (5U -4H + 7) = 21H -16U + 5U -4H + 7 = (21H -4H) + (-16U + 5U) + 7 = (21- 4)H + (-16 + 5)U + 7 = 17H - 11U + 7 |
9) Solve the expressions, add: 25A - 20R, 5R - 6A + 4 Answer: 19A - Answer: 15R Answer: 4 SOLUTION 1 : (25A -20R) + (5R -6A + 4) = 25A -20R + 5R -6A + 4 = (25A -6A) + (-20R + 5R) + 4 = (25- 6)A + (-20 + 5)R + 4 = 19A - 15R + 4 |
10) Solve the expressions, add: 15J - 28G, 7G - 8J + 2 Answer: 7J - Answer: 21G Answer: 2 SOLUTION 1 : (15J -28G) + (7G -8J + 2) = 15J -28G + 7G -8J + 2 = (15J -8J) + (-28G + 7G) + 2 = (15- 8)J + (-28 + 7)G + 2 = 7J - 21G + 2 |