Week 03 · Subtract within 10
Wednesday
Think addition
// Take away, count back, think addition
⏱ about 15 min
Wednesday: Think addition
Donnie has 9 pinecones in a pile.
Some roll away. Now 4 are left.
"How many rolled away?" asks Bennie.
Learn it: think addition
Adding and subtracting are friends.
For 9 - 4, think: 4 + ? = 9.
4 and 5 make 9. So 9 - 4 = 5.
Five pinecones rolled away.
FIND THE MISSING PART
- Read the question.
- Tap your answer.
4 + ? = 9
3 + ? = 7
6 + ? = 10
5 + ? = 8Now subtract
Use the adding fact to subtract.
3 + 4 = 7. So 7 - 3 = 4.
SUBTRACT WITH AN ADDING FACT
- Read the question.
- Tap your answer.
9 - 4 = ?
7 - 3 = ?
10 - 6 = ?
8 - 5 = ?
MATCH THE FACTS
- Read the question.
- Tap your answer.
Which adding fact helps with 6 - 2?
Which adding fact helps with 10 - 3?
Which adding fact helps with 8 - 6?
Think of the adding fact 5 + 3 = 8.
| Number sentence | True or false? |
|---|---|
| 5 + 3 = 8 | ? |
| 8 - 3 = 5 | ? |
| 8 - 5 = 2 | ? |
WHY THIS EXERCISE8 - 5 is 3. Think: 5 + 3 = 8.
Try it
Ask a grown-up to hide some of 7 blocks.
Count the blocks you can see.
How many are hiding? Think addition!
Count the blocks you can see.
How many are hiding? Think addition!
Draw 9 pinecones. Circle the 4 that stay.
Word Spot: great, through
Here are new sight words.
Look at each word. Say it. Spell it.
Great: G-R-E-A-T.
Through: T-H-R-O-U-G-H.
FIND THE WORD
- Listen to the word.
- Tap it.
Find the word you hear.
Find the word you hear.
Find the word you hear.
Find the word you hear.
FILL THE GAP
- Listen to the sentence.
- Tap the missing word.
What a ___ idea!
We walked ___ the woods.
Smart thinking! Tomorrow Chris tells a duck story.