Divisibility Rule of 8
Divisibility Rule of 8
The Rule for 8: If the last three digits of a whole number are divisible by 8, then the entire number is divisible by 8. The rules for 2, 4, and 8 should all look similar. That is because these numbers are related. Think about the powers of 2.
Illustration 1 : Check whether 456,791,824 is divisible by 8 or not ?
Step 1: we will look at the last three digits of the number: 456,791,824.
Step 2 :Does 8 divide evenly into 824?
step 3 :YES, 8 goes into 824, 103 times without anything left over. So this number is divisible by 8. Illustration 2 : Check whether 923,780 is divisible by 8 or not ? Step 1 : we will focus on the last three digits of the number: 923,780.
Step 2 : Does 8 divide evenly into 780?
Step 3 : NO, 8 goes into 780, 97 times with a remainder of 4. So this number is not divisible by 8. Illustration 3 : Check whether 24,344 is divisible by 8 or not ?
Step 1: we will look at the last three digits of the number: 24,344.
Step 2 :Does 8 divide evenly into 344?
step 3 :YES, 8 goes into 344, 43 times without anything left over. So this number is divisible by 8.
Which of the following is divisible by 8 ? | |||
| Right Option : C | |||
| View Explanation |
Which of the following numbers are divisible by 8 :
| |||
| Right Option : B | |||
| View Explanation | |||
What smallest number should be filled to make the 59_ _ 16 divisible by 8. | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
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