You already know the partners to ten. That means you know these too.
Step 1: Let's Learn
Read it, or press Listen and follow the words.
The same fact, backwards
You know 6 + 4 = 10. So 10 − 6 = 4.
6 and 4 make 10. There are 4 empty spaces.
Counters
Your ten partners run backwards
If you know 6 and 4 make ten, you already know 10 − 6 = 4. It is one fact read from the other end.
Why this one is worth drilling
Subtracting from ten is the engine inside the take-from-ten method you meet next chapter. Slow here means slow there.
Step 2: Try It Yourself
Tap and try it out.
10 take away 3 makes 7.
Step 3: Watch an Example
One step at a time.
Watch Leo Use a Partner
Leo is asked for 10 − 7.
- Step 1
He thinks about the ten-frame with 7 filled.
Step 4: Your Turn
Practice makes it stick.
Egg Box Again
Problem 1 of 1
A box holds 10 eggs. 4 are used. How many are left?
Ten Take Away
Use your partners to ten.
1 of 3
10 − 2 = ?
2 of 3
10 − 5 = ?
3 of 3
9 − 4 = ?
Step 5: Quick Check
Show what you know.
Question 1 of 2
10 − 6 = ?
Question 2 of 2
10 − 8 = ?
What You Learned
- Partners to ten work backwards.
- If 6 and 4 make ten, then 10 − 6 = 4.
- These are worth knowing by heart.