What is a number line?

A line that shows numbers in order.

[Show or give students 20 counters.] Count these counters 2 at a time.

1, 2, … 3, 4, … 5, 6, … etc.

[Show or give students 20 counters.] Count these counters 5 at a time.

1, 2, 3, 4,5, … 6, 7, 8, 9, 10, … etc.

How can you add 10 to a number? How can you take away 10 from a number?

The tens digit goes up by 1. The tens digit goes down by 1.

How can you add 100 to a number? How can you take away 100 from a number?

The hundreds digit goes up by 1. The hundreds digit goes down by 1.

What is skip counting?

Skip counting is a way of counting where you skip some numbers. For example, to skip count by 5, add 5 each time: 5, 10, 15, 20, …

What do you notice about the numbers when you skip count by 2s?

I say every second number. Each number is 2 more than the last number.

What do you notice about the numbers when you skip count by 5s?

When I skip count on a number chart, all of the numbers are in the center column or the end column. All of the numbers end in 5 or 0.

What do you notice about the numbers when you skip count by 10s?

When I skip count on a number chart, all of the numbers are in the end column. All of the numbers end in 0. Each number is 10 more than the number before it. The tens digit goes up by 1 when I count until I get to a new hundred.

What do you notice about the numbers when you skip count by 100s?

All of the numbers end in 00. The hundreds digit goes up by 1 when I count. Each number is 100 more than the number before it.

Skip Counting (2s, 5s, 10s & 100s)

LESSON MATERIALS move

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What you will learn from this videoWhat you will learn

How to skip count!
That we can skip count by 2s, 5s, 10s, and hundreds, starting from any number.
How this knowledge can help us keep track of scores in a game, count lollipops and even balls in a ball pit!

Discussion Questions
- Before Video
  What is a number line?ANSWER
  - A line that shows numbers in order.
  [Show or give students 20 counters.] Count these counters 2 at a time. ANSWER
  - 1, 2, … 3, 4, … 5, 6, … etc.
  [Show or give students 20 counters.] Count these counters 5 at a time. ANSWER
  - 1, 2, 3, 4,5, … 6, 7, 8, 9, 10, … etc.
  How can you add 10 to a number? How can you take away 10 from a number?ANSWER
  - The tens digit goes up by 1. The tens digit goes down by 1.
  How can you add 100 to a number? How can you take away 100 from a number?ANSWER
  - The hundreds digit goes up by 1. The hundreds digit goes down by 1.
- After Video
  What is skip counting?ANSWER
  - Skip counting is a way of counting where you skip some numbers. For example, to skip count by 5, add 5 each time: 5, 10, 15, 20, …
  What do you notice about the numbers when you skip count by 2s?ANSWER
  - I say every second number. Each number is 2 more than the last number.
  What do you notice about the numbers when you skip count by 5s?ANSWER
  - When I skip count on a number chart, all of the numbers are in the center column or the end column. All of the numbers end in 5 or 0.
  What do you notice about the numbers when you skip count by 10s?ANSWER
  - When I skip count on a number chart, all of the numbers are in the end column. All of the numbers end in 0. Each number is 10 more than the number before it. The tens digit goes up by 1 when I count until I get to a new hundred.
  What do you notice about the numbers when you skip count by 100s?ANSWER
  - All of the numbers end in 00. The hundreds digit goes up by 1 when I count. Each number is 100 more than the number before it.
Vocabulary
- Number line DEFINE
- Skip counting DEFINE
- Skip counting by 2s DEFINE
- Skip counting by 5s DEFINE
- Skip counting by 10s DEFINE
- Skip counting by 100s DEFINE
Reading Material
Practice Word Problems
Practice Number Problems
Lesson Plan
Teacher Guide
Assessment
Online Quiz Game Quiz PDF Exit Ticket