Power Up Test 11

Front

What is a 2-digit number?

Back

A 2-digit number is a number that has two digits, ranging from 10 to 99.

Front

What does it mean for a number to be divisible by 3?

Back

A number is divisible by 3 if the sum of its digits is divisible by 3.

Front

What is the largest 2-digit number?

Back

The largest 2-digit number is 99.

Front

What does it mean for digits to differ by 2?

Back

Digits differ by 2 if the absolute difference between them is 2, such as 3 and 5 or 7 and 5.

Front

What is the largest 2-digit number divisible by 3?

Back

The largest 2-digit number divisible by 3 is 99.

Front

How do you find the largest 2-digit number divisible by 3?

Back

Start from 99 and subtract until you find a number whose digits sum to a multiple of 3.

Front

What is the sum of the digits of 75?

Back

The sum of the digits of 75 is 7 + 5 = 12.

Front

Is 75 divisible by 3?

Back

Yes, because the sum of its digits (12) is divisible by 3.

Front

What are some examples of 2-digit numbers whose digits differ by 2?

Back

Examples include 10 and 12, 21 and 23, 34 and 32.

Front

What is the difference between 75 and 73?

Back

The difference is 2.