Addition Within 10

Grade 1 · mathematics · 129 practice problems · read aloud

🔊 Listen to this explanation

Addition Within 10 🧮

What is Addition?

Addition is putting numbers together to find the total amount. We use it all the time, like when we count our toys or share snacks with friends!

How to Add: Step-by-Step

  1. Start with the first number in your head or on your fingers.
  2. Count up the second number.
  3. The number you land on is your answer (the sum)!

Let's See Some Examples!

Example 1: 3 + 2

Start at 3... count up 2 more: "4, 5".

🎉 3 + 2 = 5

Example 2: 4 + 5

Start at 4... count up 5 more: "5, 6, 7, 8, 9".

🎉 4 + 5 = 9

Watch Out! Common Mistakes

➤ Forgetting to count the first number: If you're adding 2 + 3, you start at "2", not "1". You already have 2!

➤ Miscounting on fingers: Be careful to count each finger only once. Touch and count slowly!

Super Helpful Tips & Tricks

🌟 Use your fingers! They are always with you.

🌟 Look for "Make 10": Pairs like 7+3, 6+4, and 8+2 all make 10. They're special friends!

🌟 Draw pictures: Draw circles or smiley faces to help you count.

Time to Practice!

You can get better at addition by:

  • Using flashcards with your family.
  • Playing math games online or with friends.
  • Solving a few problems every day. Try these: 5 + 1, 2 + 4, 3 + 6.

You've got this! ✨

Practice problems

6 of the 129, worked through step by step — try them before opening the answer.

1 6 + 4 = ?

Hint: Think about making a group of ten by combining these two numbers.

Show the answer

Answer: 10

  1. Start with the number 6.
  2. Add 4 to 6.
  3. 6 + 4 = 10.

The answer is 10.

2 0 + 0 = ?

Hint: Count on from the first number.

Show the answer

Answer: 0

0 + 0 = 0. You can count on from 0 to get 0.

3 0 + 1 = ?

Hint: Use your fingers to add.

Show the answer

Answer: 1

0 + 1 = 1. You can count on from 0 to get 1.

4 0 + 2 = ?

Hint: Think of the number bond.

Show the answer

Answer: 2

0 + 2 = 2. You can count on from 0 to get 2.

5 0 + 3 = ?

Hint: Draw circles or use counters.

Show the answer

Answer: 3

0 + 3 = 3. You can count on from 0 to get 3.

6 0 + 4 = ?

Hint: Remember your addition facts.

Show the answer

Answer: 4

0 + 4 = 4. You can count on from 0 to get 4.

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