Grade 6 Mathematics · Strand 1: Numbers · Decimals
Adding Decimals
A short Grade 6 Mathematics lesson for the CBE curriculum, part of Numbers: Decimals. 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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1. Why must we line up the decimal points when adding decimals in columns?
- A. So that digits with the same place value are added together
- B. So that the answer has more decimal places
- C. So that we do not need to regroup
- D. So that the numbers look neat on the right edge
2. Two sacks of tea leaves in Kericho have masses 6.35 kg and 2.4871 kg. What is their total mass in kilograms?
Type your answer (in kg) in the lesson.
3. What is the word for the final result obtained when numbers are added together?
Type your answer in the lesson.
4. When adding decimals, a column of ten thousandths adds up to 10 discs. What do we exchange them for?
- A. 1 thousandth in the thousandths column
- B. 1 hundredth in the hundredths column
- C. 1 tenth in the tenths column
- D. 1 unit in the units column
5. What is the sum of 4.305 and 2.8967?
- A. 7.1917
- B. 7.2117
- C. 7.2017
- D. 7.2007
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