Grade 7 Mathematics · Strand 1: Numbers · Whole Numbers
Addition of Whole Numbers
A short Grade 7 Mathematics lesson for the CBE curriculum, part of Numbers: Whole Numbers. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.
1. Nakuru County allocates KES 342,180,450 to health services and KES 125,640,320 to agricultural development. What is the total amount allocated, in KES?
Type your answer (in KES) in the lesson.
2. A clerk added 12,400,000 and 8,600,000 and wrote the sum as 98,400,000. What mistake did the clerk make?
- A. He aligned the numbers on the left, so 8 million was treated as 80 million
- B. He forgot to carry in the ones column
- C. He added from left to right and ignored the carries
- D. He subtracted instead of adding
3. A pupil finds that 58,000 + 27,500 = 85,500. Which statement correctly checks this answer using inverse subtraction?
- A. 85,500 - 27,500 = 58,000
- B. 58,000 - 27,500 = 85,500
- C. 85,500 + 58,000 = 27,500
- D. 27,500 - 58,000 = 85,500
4. Which of the following numbers is a prime number?
- A. 49
- B. 39
- C. 29
- D. 51
5. In the number sentence 45 + 32 = 77, what is the name given to each of the numbers 45 and 32?
Type your answer in the lesson.
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