Mr. Gerald's electricity meter reading increased by 00199 - 00125 = 15 kWh last month. The Cruz family consumed 144 kWh in April based on their meter readings of 4508 in March and 4652 in April. Mary's family recorded their electricity consumption over 4 months with initial reading of 1679 kWh and subsequent readings of 1824 kWh, 1997 kWh, and 2381 kWh respectively.

1. 1.Mr Gerald is computing his monthly electrical consumption. Based on his electric bill, last month he was
able to consume 00125 kwh. When he checked his digital electric meter, the reading is 00199 kwh. How many
kwh did Mr. Gerald consumed for the month?
Answer
15 kwh
2.Cruz family’s electric reading in March and April are 4508 and 4652 respectively. What is their total
monthly consumption on the month of April?
 141 kWh
 142 kWh
 143 kWh
 144 kWh
Transcript of Analyze and Solve Word Problems Involving Electric
Consumption
Present Reading Previous Reading KWH Used
3502 2817 ________
4286 3635 ________
5874 4387 ________
6656 6271 ________
Review: Complete the Table
Analyze and Solve Word Problems Involving Electric Consumption
1. What data are needed?
2. What operation will you use?
3. What is the number sentence?
4. Solve
5. What is the answer?
Mary's family made a record of their 4
month electric consumption. The initial
reading is 1679 kwh.
September 1824 November 2203
October 1997 December 2381

2. assuming that the basic charge is P0.96.
1. How much will Mary’s family each month?
2. On what month did they pay the most? The least?
3. What was the average monthly consumption?
1. The electric meter reading last month was 7621 kwh. The present reading is 8347 kwh. How much
electricity was consumed in 1 month?
2.I have 5 bulbs, each consuming 32 watts per hour. If I light all the bulbs for 8 hours, how many kwh
will the bulbs consume?
1. 726 kwh
2. 1280 kwh
3. 208 kwh
4. 192 kwh and 96 pesos
Answers:
1. Secure an old electric bill, study how your electric consumption is computed.
2. Make a commitment on how you can help save electricity at home and in school.
Flat Iron 1000 watts
Washing Machine 180 watts
Electric Stove 2200 watts
CD 270 watts
Refrigerator 250 watts
Electric Fan 50 watts
Below is a list of appliances and their wattage. (watts)
1. What data are needed?
2. What operation will you use?
3. What is the number sentence?
4. Solve
5. What is the answer?

3. 3. On January 26, the electric meter reading was 3411 kwh. The next month February 26, the reading was
3619 kwh. How much electricity was consumed?
4. Last month, my electric meter reading was 3619 kwh. The next month, the reading was 3811. How
many kwh did I consume? How much will I pay if the charge per kwh is P 0.5?
Last month, an electric meter read 7835 kwh. This month, the reading is 8328 kwh. If the basic cost of
electricity is P3.40 per kwh, how much is the basic bill?
Assignment:
Application:
Evaluation:
Jude recorded his family's electric consumption for 2 months. The initial reading is 27193 kwh and the
next reading is 27310. How many kwh is used in a month?
How many kwh will a refrigerator that consumed 250 watts and a 50 watts stand fan used for 8 hours?