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: 25W - 23N, 10N - 3W + 13 W - N
Answer:_______________ |
2) Solve the expressions, add: 11V - 19D, 3D - 5V + 3 V - D
Answer:_______________ |
3) Solve the expressions, add: 17S - 15Z, 8Z - 3S + 19 S - Z
Answer:_______________ |
4) Solve the expressions, add: 17M - 15T, 4T - 6M + 5 ___M - T
Answer:_______________ |
5) Solve the expressions, add: 11E - 25A, 6A - 5E + 8 E - A
Answer:_______________ |
6) Solve the expressions, add: 11J - 22Q, 7Q - 2J + 4 J - Q
Answer:_______________ |
7) Solve the expressions, add: 14W - 13V, 9V - 7W + 21 W - V
Answer:_______________ |
8) Solve the expressions, add: 23X - 25U, 4U - 9X + 7 X - U
Answer:_______________ |
9) Solve the expressions, add: 22K - 13F, 10F - 3K + 15 K - F
Answer:_______________ |
10) Solve the expressions, add: 11X - 26J, 11J - 3X + 13 X - J
Answer:_______________ |
1) Solve the expressions, add: 25P - 23O, 10O - 3P + 13 Answer: 22P - Answer: 13O Answer: 13 SOLUTION 1 : (25P -23O) + (10O -3P + 13) = 25P -23O + 10O -3P + 13 = (25P -3P) + (-23O + 10O) + 13 = (25- 3)P + (-23 + 10)O + 13 = 22P - 13O + 13 |
2) Solve the expressions, add: 11O - 19R, 3R - 5O + 3 Answer: 6O - Answer: 16R Answer: 3 SOLUTION 1 : (11O -19R) + (3R -5O + 3) = 11O -19R + 3R -5O + 3 = (11O -5O) + (-19R + 3R) + 3 = (11- 5)O + (-19 + 3)R + 3 = 6O - 16R + 3 |
3) Solve the expressions, add: 17I - 15D, 8D - 3I + 19 Answer: 14I - Answer: 7D Answer: 19 SOLUTION 1 : (17I -15D) + (8D -3I + 19) = 17I -15D + 8D -3I + 19 = (17I -3I) + (-15D + 8D) + 19 = (17- 3)I + (-15 + 8)D + 19 = 14I - 7D + 19 |
4) Solve the expressions, add: 17C - 15N, 4N - 6C + 5 Answer: 11C - Answer: 11N Answer: 5 SOLUTION 1 : (17C -15N) + (4N -6C + 5) = 17C -15N + 4N -6C + 5 = (17C -6C) + (-15N + 4N) + 5 = (17- 6)C + (-15 + 4)N + 5 = 11C - 11N + 5 |
5) Solve the expressions, add: 11Q - 25J, 6J - 5Q + 8 Answer: 6Q - Answer: 19J Answer: 8 SOLUTION 1 : (11Q -25J) + (6J -5Q + 8) = 11Q -25J + 6J -5Q + 8 = (11Q -5Q) + (-25J + 6J) + 8 = (11- 5)Q + (-25 + 6)J + 8 = 6Q - 19J + 8 |
6) Solve the expressions, add: 11M - 22W, 7W - 2M + 4 Answer: 9M - Answer: 15W Answer: 4 SOLUTION 1 : (11M -22W) + (7W -2M + 4) = 11M -22W + 7W -2M + 4 = (11M -2M) + (-22W + 7W) + 4 = (11- 2)M + (-22 + 7)W + 4 = 9M - 15W + 4 |
7) Solve the expressions, add: 14R - 13C, 9C - 7R + 21 Answer: 7R - Answer: 4C Answer: 21 SOLUTION 1 : (14R -13C) + (9C -7R + 21) = 14R -13C + 9C -7R + 21 = (14R -7R) + (-13C + 9C) + 21 = (14- 7)R + (-13 + 9)C + 21 = 7R - 4C + 21 |
8) Solve the expressions, add: 23V - 25N, 4N - 9V + 7 Answer: 14V - Answer: 21N Answer: 7 SOLUTION 1 : (23V -25N) + (4N -9V + 7) = 23V -25N + 4N -9V + 7 = (23V -9V) + (-25N + 4N) + 7 = (23- 9)V + (-25 + 4)N + 7 = 14V - 21N + 7 |
9) Solve the expressions, add: 22P - 13G, 10G - 3P + 15 Answer: 19P - Answer: 3G Answer: 15 SOLUTION 1 : (22P -13G) + (10G -3P + 15) = 22P -13G + 10G -3P + 15 = (22P -3P) + (-13G + 10G) + 15 = (22- 3)P + (-13 + 10)G + 15 = 19P - 3G + 15 |
10) Solve the expressions, add: 11M - 26R, 11R - 3M + 13 Answer: 8M - Answer: 15R Answer: 13 SOLUTION 1 : (11M -26R) + (11R -3M + 13) = 11M -26R + 11R -3M + 13 = (11M -3M) + (-26R + 11R) + 13 = (11- 3)M + (-26 + 11)R + 13 = 8M - 15R + 13 |