1. Word cloud
120 seconds
What is the best way to add two numbers with decimals?
2. Slide
60 seconds
Adding Numbers With Decimals
Adding decimals is just like adding whole numbers - line up the numbers in columns and add each column separately. If the numbers in one column are not the same length, add zeros to make them the same length before adding. Remember to line up the decimal points when adding decimals!
3. Slide
60 seconds
Adding Numbers With Decimals
Adding decimals is just like adding whole numbers - line up the numbers in columns and add each column separately. If the numbers in one column are not the same length, add zeros to make them the same length before adding. Remember to line up the decimal points when adding decimals!
4. Slide
60 seconds
Ku dar nambarka iyada oo leh xisaabta
Ku dar nambarka iyada oo leh xisaabta oo dhan - la xidho nambarkaaga goobaha kala duwan oo ku dar koley. Haddii nambarka kala duwan ee hal goob ku jiraan ma aha nambarka yar, ku dar xero si ay u noqon karaan nambarka yar ee goobta kala duwan hore ee ku daraya. Waxaad u ogolaanaysaa inaad ku daraysid nooca xisaabta marka aad ku daraysid xisaabta!
5. Slide
60 seconds
What is today's date
Introducing a new topic? Start with a word cloud and find out what your students already know.
6. Slide
60 seconds
Adding numbers with decimals.
Adding Decimals: Adding decimals is the process of adding two numbers that have a decimal point in them.
Place Value: When adding decimals, it is important to remember that the placement of the decimal point is based on its place value.
Line Up Decimals: When adding decimals, it is important to line up the decimal points, so that the numbers are in the correct order. This will make it easier to add the numbers correctly.
7. Poll
60 seconds
What is the best way to add two numbers with decimals?
- Round the decimals and add the numbers
- Add the numbers and then round the answer
- Add the numbers without rounding the decimals
- Other
8. Slide
60 seconds
Did you know?
The number Pi (3.14) is the ratio of a circle's circumference to its diameter and it can be used to calculate the area of a circle. The symbol for decimal point comes from the Latin word 'decimus', which means tenth. The first known use of decimal fractions was by the Chinese mathematician Liu Hui in the 3rd century AD.
9. Open question
300 seconds
What do you need to do when adding numbers with decimals?
10. Open question
300 seconds
How can you check your answer when adding numbers with decimals?
11. Personalised Feedback
360 seconds
If you have $3.50 and your friend gives you $2.75, how much money do you have in total?
12. Open question
300 seconds
What strategies do you use when adding numbers with decimals?
13. Open question
300 seconds
What challenges have you faced when adding numbers with decimals?
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