Count forward and backward

2nd Grade Math practice: What number comes after 399. Part of place value and numbers to 1,000 (Numbers to 1000).

~8 min

Count on by ones and count back by ones.

Count forward by 1

128
100
20
8

When you count forward by 1, you go to the next number. On a number path, move one step to the right.

💡 Say the numbers in order as you move one step at a time.