Week 01 · Facts to 20
Tuesday
Doubles and near doubles
// Make a ten, use doubles, think addition
⏱ about 15 min
Tuesday: Doubles and near doubles
Bennie puts 6 acorns on one side of a log.
He puts 6 more acorns on the other side.
"Both sides match," says Bennie. "That is a double!"
Rosie adds one more acorn to the second side.
"Now it is a near double," she laughs.
Learn it: doubles
A double adds a number to itself.
Here are 6 red dots and 6 blue dots.
Bennie knows that 6 + 6 = 12.
DOUBLES
- Read the question.
- Tap your answer.
6 + 6 = ?
7 + 7 = ?
8 + 8 = ?
9 + 9 = ?
Learn it: near doubles
A near double is a double and one more.
For 6 + 7, think 6 + 6 = 12.
Then add one more. So 6 + 7 = 13.
NEAR DOUBLES
- Read the question.
- Tap your answer.
6 + 7 = ?
7 + 8 = ?
8 + 9 = ?
5 + 6 = ?
WHICH DOUBLE HELPS?
- Read the question.
- Tap your answer.
Which double helps with 7 + 8?
Which double helps with 9 + 8?
Which double helps with 5 + 6?
PUT THE DOUBLES IN ORDER
- Start with the smallest sum.
- Tap the doubles in order.
11st
22nd
33rd
44th
Find the double, then add one if you need it.
| Number sentence | True or false? |
|---|---|
| 8 + 8 = 16 | ? |
| 7 + 7 = 15 | ? |
| 6 + 7 = 13 | ? |
| 9 + 10 = 19 | ? |
WHY THIS EXERCISE7 + 7 is 14, not 15.
STORY PROBLEMS
- Read the question.
- Tap your answer.
Rosie has 7 leaves. Bennie has 7 leaves too. How many leaves?
Bennie stacks 8 stones. Then he stacks 9 more. How many stones?
Try it
Hold up 5 fingers on each hand. That is 5 + 5.
Now find pairs of socks or shoes at home.
Count them by doubles: 2 + 2, then 3 + 3.
Now find pairs of socks or shoes at home.
Count them by doubles: 2 + 2, then 3 + 3.
Word Spot: because, been, high
Here are new sight words.
Look at each word. Say it. Spell it.
Because: B-E-C-A-U-S-E.
Been: B-E-E-N.
High: H-I-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.
I wear a coat ___ it is cold.
We have ___ busy all day.
The kite flew ___ in the sky.
Super! Tomorrow we use facts we know to subtract.