There are odd numbers, even numbers, multiples, single-digit and two-digit numbers ... 68 is the smallest. When comparing numbers, you look at the number of tens first. 68 has 6 tens and ...

Explore how to compare numbers up to 10,000 using the ... Multiply a 2-digit by a 1-digit number Learn the mental method and written method for multiplying a 2-digit number by a 1-digit number.