Week 07 · Turn-around facts and three numbers
Wednesday
Add three numbers
// Rosie hops both ways
⏱ about 15 min
Wednesday: Add three numbers
Rosie fills three baskets with berries.
"I have 2, then 3, then 4," she says.
"How many berries do I have in all?"
Learn it: two, then the third
Add two numbers first.
Then add the third number.
Look at 2 + 3 + 4.
Bennie adds 2 + 3 = 5.
Then he adds 5 + 4 = 9.
2 red, 3 gold and 4 blue dots make 9.
ADD THREE NUMBERS
- Read the question.
- Tap your answer.
2 + 3 + 4 = ?
1 + 4 + 2 = ?
3 + 3 + 3 = ?
5 + 1 + 2 = ?
Any order works
You can add the three numbers in any order.
Look for a double, like 4 + 4.
Look at 4 + 3 + 4.
Add the double first: 4 + 4 = 8.
Then 8 + 3 = 11.
LOOK FOR A DOUBLE
- Read the question.
- Tap your answer.
4 + 3 + 4 = ?
5 + 2 + 5 = ?
3 + 6 + 3 = ?
SOLVE 6 + 2 + 3 IN STEPS
- Rosie adds step by step.
- Tap the steps in order.
11st
22nd
33rd
44th
Add two numbers, then the third.
| Number sentence | True or false? |
|---|---|
| 2 + 2 + 2 = 6 | ? |
| 1 + 5 + 3 = 8 | ? |
| 4 + 2 + 3 = 3 + 2 + 4 | ? |
WHY THIS EXERCISE1 + 5 + 3 is 9, not 8.
THREE BASKET STORIES
- Read the question.
- Tap your answer.
Rosie has 3 berries, 2 berries and 5 berries. How many in all?
Bennie sees 1 owl, 4 hawks and 2 geese. How many birds?ANY ORDER WORKS
- Read the question.
- Tap your answer.
Which is the same as 2 + 5 + 3?
1 + 2 + 6 = ?
Try it
Make three small piles of blocks.
Count each pile.
Add two piles, then the third.
Now add them in a new order. Same total?
Count each pile.
Add two piles, then the third.
Now add them in a new order. Same total?
Word Spot: need, land
Here are new sight words.
Look at each word. Say it. Spell it.
Need: N-E-E-D.
Land: L-A-N-D.
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.
I ___ a pencil.
Frogs live on ___ and in water.
Hop hop hooray! Tomorrow Chris tells a story with three numbers.