What You Need to Know

Skip counting by 10s means counting in jumps of 10 — 10, 20, 30, 40, 50... All numbers in this pattern end in a zero.

Counting by 10s: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100

Every number ends in zero when counting by 10s

Skip counting by 10s helps us understand place value

10 ones = 1 ten; 10 tens = 100

Key Vocabulary

A group of 10 ones — the next place value after ones

Single units — the smallest place value we use every day

Adding 10 each time you count

10 groups of 10; written as 100

Select the correct answer for each question. Click "Check Answer" to see if you are right.

Question 1

What comes next? 10, 20, 30, 40, __

41 45 50 60

Question 2

What is the missing number? 30, 40, __, 60, 70

45 48 55 50

Question 3

There are 7 bags with 10 apples each. How many apples?

70 60 17 80

Question 4

Which number would you say when skip counting by 10s from 0?

15 50 25 55

Question 5

Count back by 10s: 100, 90, 80, __

60 75 70 65