Number Bonds to 7: Part-Whole Relationships

Free sample questions, a clear explanation, and 5 practice skills with an AI tutor that guides without giving the answer away.

Super Seven and Its Number Bond Friends!

Hello, Super Mathematician! Are you ready for an adventure with the amazing number 7? We're going to learn a special secret about numbers called number bonds. It's all about how numbers can be best friends and stick together to make a bigger number.

Let's Pack a Lunchbox!

Imagine you are packing a lunchbox with 7 yummy snacks. That's our whole number. But what snacks are inside?

Maybe you pack 5 crunchy crackers and 2 juicy orange slices. The crackers and orange slices are the parts. When you put them together, you have 7 snacks in total! 5 and 2 are a number bond for 7.

You can try this at home! Grab 7 blocks or crayons. Can you split them into two smaller groups? How many ways can you do it?

We can draw our number bonds to see how the parts make a whole. We can also write them as a special math sentence called an equation. When we put our 5 crackers and 2 orange slices together, our equation looks like this:

5 + 2 = 7

The plus sign (+) means we are putting the parts together. The equals sign (=) tells us what the whole is. You are a real math writer!

Key Takeaway: Seven's Super Pairs!

The number 7 has many number friends that can be paired together to make 7. Here are all the pairs!

0 and 7
1 and 6
2 and 5
3 and 4

(Psst! Remember, you can flip them too! 4 and 3 is the same as 3 and 4!)

You did an amazing job exploring number bonds to 7 today. Keep looking for number pairs all around you. You are a number bond superstar!

Sample questions

1. Look at the 7 apples. Some are red and some are green. How many red apples and how many green apples are there? (Imagine 3 red apples and 4 green apples)

○ 2 and 5

○ 4 and 2

○ 3 and 3

✓ 3 and 4

Answer: 3 and 4 — Count the red apples. Count the green apples. Do they make 7 together?

2. There are 7 blue circles in total. One circle is by itself, and the rest are in another group. How many circles are in the other group? (Imagine 1 circle separate, 6 circles together)

✓ 6

○ 7

○ 1

○ 5

Answer: 6 — Start with 7. Take away the one circle. How many are left?

3. There are 7 stars. 2 stars are yellow. The rest are blue. How many blue stars are there? (Imagine 2 yellow stars and 5 blue stars)

○ 2

✓ 5

○ 7

○ 4

Answer: 5 — Count all the stars. Count the yellow stars. How many more do you need to make 7?

Skills in this topic

Decompose a set of 7 objects into two parts using concrete manipulatives.
Compose a set of 7 objects from two parts using concrete manipulatives.
Represent number bonds for 7 using pictorial models.
Write number bond equations for 7.
Identify and list all pairs of numbers that add up to 7.

Practice 50+ questions on this topic

Unlimited interactive practice, progress tracking, and Nova — your AI tutor. Free to start.

Start learning free →