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Course: Arithmetic (all content)>Unit 1

Lesson 6: Rounding

Rounding to nearest 10

This video teaches rounding numbers to the nearest 10 using number lines. It demonstrates rounding with examples like 36, 34, 35, 26, and 12, and provides a rule for rounding when the ones place is 5 or greater. This helps students practice estimation in real-life situations. Created by Sal Khan.

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• How you do this
• Or 30 dosn't round up or down, it rounds to 30, also 20 rounds to 20
• why is rounding inportant
• Rounding is important to check your work easily and quickly. For example, if I were doing 52*11, I could estimate that the answer is around 520, which would allow me to check my work. Rounding also makes learning distributive properties easier in later grades.
• Is there a certain amount of numbers that u r able to round or can u round more?
• there is no limit to numbers so there is no limit to rounding.
• a great example rounding is using 20 mostly because it can relate to 2,4,6...etc so what numbers can you round it to? you can anything before 5-, example: 21, 22, 23, 24. okie dokie now try doing the other side around example: 31, 32, 33,34. Theres way more ways but for me thats the best way... if u still don't get it i hope you figure it out!
• can u plz add some more rounding ones like rounding to the nearest 1000
• how do you Round off numbers?
• Look at the smallest place value. If the number value is 5-9, round up. If it is 0-4, round down.

If it asks you to round to the nearest five, use the same logic. 0, 1, 2 = 0; 3, 4, 5 =5
• I don't know how to do the lesson
• is anyone here in may 2019/