Skip Counting

Grade 2 ยท mathematics ยท 94 practice problems ยท read aloud

๐Ÿ”Š Listen to this explanation

What is Skip Counting? ๐Ÿงฎ

Skip counting is counting forward or backward by numbers other than 1. It's like taking "jumps" on a number line! This is super useful because it helps you count faster and is the secret to learning multiplication later.

How to Skip Count

  1. Pick your counting number: Will you count by 2s, 5s, or 10s?
  2. Start at your first number.
  3. Make equal jumps using your counting number.
  4. Say the numbers you land on out loud.

Let's Look at Examples

Example 1: Counting by 2s

Let's count from 2 to 10 by 2s.

Steps: Start at 2. Now jump +2: 2 โ†’ 4 โ†’ 6 โ†’ 8 โ†’ 10.

Answer: 2, 4, 6, 8, 10

Example 2: Counting by 5s

What comes next: 5, 10, 15, 20, ___ ?

Steps: We are adding 5 each time. 20 + 5 = 25.

Answer: 25

Example 3: Counting by 10s

Count by 10s starting from 10.

Steps: Start at 10. Jump +10: 10 โ†’ 20 โ†’ 30 โ†’ 40 โ†’ 50.

Answer: 10, 20, 30, 40, 50

Watch Out! Common Mistakes

  • Starting from the wrong number: If you're counting by 5s, you should start at a number like 5, 10, or 15, not 3.
  • Uneven jumps: Make sure your jumps are always the same size! Don't go 5, 10, 15, 19.
  • Skipping numbers in the pattern: Be careful not to leave any out. For 2s, it's 2, 4, 6, 8... not 2, 6, 8.

Tips & Tricks to Remember

  • Counting by 2s: Think of pairs like shoes, socks, or animal legs.
  • Counting by 5s: Look at your hand! You have 5 fingers. ๐Ÿ–๏ธ
  • Counting by 10s: It's the easiest! It's just the numbers in the "tens" place: 10, 20, 30...
  • Use a number line or a hundreds chart to see the pattern.

How to Get Better at It

Practice makes perfect! Try these fun ideas:

  • Count how many snacks you have if you put them in groups of 2, 5, or 10.
  • Play a game: Hop or clap while you skip count.
  • Sing songs or watch videos about skip counting.
  • Ask a grown-up to give you a starting number and a counting number, then see how high you can go!

Practice problems

6 of the 94, worked through step by step โ€” try them before opening the answer.

1 25 + 40 = ?

Hint: Think about adding the tens first, then the ones.

Show the answer

Answer: 65

  1. Write the numbers vertically in your mind (or on paper) to align them by place value: 25 + 40
  2. Add the digits in the ones place first: 5 (from 25) + 0 (from 40) = 5. Write down 5 in the ones place of the answer.
  3. Add the digits in the tens place: 2 (from 25) + 4 (from 40) = 6. Write down 6 in the tens place of the answer.
  4. Combine the tens and ones: 6 tens and 5 ones = 65. So, 25 + 40 = 65.

We are adding 25 and 40.

2 25 + 40 + 55 = ?

Hint: Look for a pattern in the numbers that might help you add them more easily.

Show the answer

Answer: 120

  1. Look at the numbers: 25, 40, and 55.
  2. Notice that 25 and 55 are easy to add together. 25 + 55 = 80.
  3. Now add the remaining number, 40, to the sum from
  4. 80 + 40 = 120.
  5. Check: 25 + 40 = 65, then 65 + 55 = 120.

The answer is 120.

3 25 + 50 + 75 = ?

Hint: Look for numbers that are easy to add together first.

Show the answer

Answer: 150

  1. Add 25 and 50. 25 + 50 = 75.
  2. Add the result (75) to the remaining number (75). 75 + 75 = 150.

The answer is 150.

4 20 + 40 + 60 = ?

Hint: Add the numbers one at a time, starting from the left.

Show the answer

Answer: 120

  1. Start with the first number: 20.
  2. Add the second number: 20 + 40 = 60.
  3. Add the third number to the result: 60 + 60 = 120.

The answer is 120.

5 35 + 45 + 55 = ?

Hint: Add the numbers one at a time, starting from the left

Show the answer

Answer: 135

  1. Start with 35 + 45
  2. 35 + 45 = 80
  3. Add 55 to 80
  4. 80 + 55 = 135

The answer is 135.

6 50 + 100 + 150 = ?

Hint: Add the numbers step by step, starting with the first two.

Show the answer

Answer: 300

  1. Add the first two numbers: 50 + 100 = 150.
  2. Take the result from Step 1 and add the third number: 150 + 150 = 300. The final answer is 300.
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