ExplorerGrades K–1⏱ 10 min
Add and take away
Apples come and go from a basket. Count how many there are now and write it as a number sentence.
Standards: K.OA.A.1K.OA.A.2
1Wonder
There are 3 apples in a basket. Your friend brings 2 more. How many apples are in the basket now?
2Explore
This activity needs a bigger screen
Turn your phone sideways, or open this lesson on a tablet or computer. The explanation and quiz below work here.
3 apples are in the basket. 2 more come. 3 + 2 = ?
Apples in the basket
How many come or go
Try this
- Press Go! and count all the apples. Tap the right number.
- Switch to Take away. What happens to the apples?
- Press New story and solve it.
- Can you make the basket have exactly 10 apples?
3Explain
Step 1 of 5
Adding puts groups together
3 red apples and 2 yellow apples come together. Count them all: 5. We write it as 3 + 2 = 5.
4Practice
Question 1 of 5
2 + 3 = ?
5Recap
- Adding (+) puts groups together. You get more.
- Taking away (−) takes some out. You get fewer.
- = means “is the same as”: 3 + 2 = 5.
- Adding in a different order gives the same answer: 3 + 2 = 2 + 3.