Math Bonds for Grade 2: Simple Animated Explainer

Welcome to the world of number bonds! Let's discover how numbers work together as families.A number bond shows how we can split a number into two parts that add back together.Here, we can see that two plus three equals five. These numbers form a family - they belong together.Let's look at the number bonds of ten. Ten is a special number with many different pairs that add up to it.Do you notice a pattern? As one number in the pair gets bigger, the other number gets smaller, but they always add up to ten!Now that we understand what number bonds are, we're ready to learn how to use them to solve problems!Let's solve eight plus five using number bonds.First, we'll use number bonds of ten to break down this problem into easier parts.We know that eight plus two equals ten.Now, let's look at the five. We can split it into two plus three.This means we first add eight plus two to make ten, then add the remaining three.Watch how we jump first to ten, then add three more to reach thirteen.So eight plus five equals thirteen, because eight plus two equals ten, plus three equals thirteen.Let's create number bonds for seven. We'll start by drawing a circle with seven at the top.Now we'll add two circles below to show the parts that make seven.One way to split seven is into three and four.We can find other ways to split seven. Here's five plus two.And another way is six plus one.Now let's practice with a different number. Let's try eight!Eight can be split into four plus four.Or five plus three.And also six plus two.Now it's your turn! Here's the number nine. Can you think of different ways to split it?One possible answer is four plus five. But there are many other ways to split nine!Let's review what we've learned about creating number bonds.Remember that every number can be split in multiple ways. The more you practice finding different combinations, the better you'll become at mental math.Keep practicing with different numbers to become a number bonds expert!