Add and subtract whole numbers with more than 4 digits

What you'll learn

1. 1

   Imagine you have 12,345 🍬 sweets and your friend gives you 2,134 more. That's a LOT of sweets!

2. 2

   When adding big numbers, what do we do first?

3. 3

   Build the number 23,456 using place value blocks — that's 2 ten-thousands, 3 thousands, 4 hundreds, 5 tens, and 6 ones.

4. 4

   Let's add 12,345 + 2,134 together step by step. ✏️

5. 5

   Now try adding 32,567 + 6,432 using the place value blocks. Build 32,567 first.

6. 6

   What is 32,567 + 6,432? (Add the columns in your head or on paper!)

7. 7

   Now try a subtraction: 45,678 - 3,456. What do you get?