Week 09 · Take away
Tuesday
The minus sign
// Subtraction within 5
⏱ about 15 min
Tuesday: The minus sign
Donnie sees 4 ducks on the pond.
One duck swims away.
"Now there are 3," says Bennie.
Learn it: minus and equal
We can write take away with a sign.
This sign is minus. It is a short line.
The equal sign means the same as.
4 counters. The gold one goes away.
We write 4 - 1 = 3.
We say four minus one equals three.
MINUS FACTS
- Read the question.
- Tap your answer.
4 - 1 = ?
5 - 2 = ?
3 - 1 = ?
5 - 4 = ?Build a number sentence
Put the cards in order.
Read it: five minus two equals three.
BUILD 5 - 2 = 3
- Start with 5.
- Tap the cards in order.
11st
22nd
33rd
44th
55th
Zero in take away
Take away all of them. Zero are left.
Take away zero. Nothing goes away.
MORE MINUS
- Read the question.
- Tap your answer.
2 - 2 = ?
5 - 0 = ?
3 - 3 = ?Use your fingers to take away.
| Number sentence | True or false? |
|---|---|
| 5 - 1 = 4 | ? |
| 3 - 2 = 2 | ? |
| 4 - 4 = 0 | ? |
| 2 - 0 = 2 | ? |
WHY THIS EXERCISE3 take away 2 leaves 1, not 2.
WHICH ONE?
- Read the question.
- Tap your answer.
Which one means 3 take away 1?
What does the minus sign mean?
Four minus two equals what?
Try it
Line up 4 toys.
Take 1 toy away.
Say: 4 minus 1 equals 3.
Take 1 toy away.
Say: 4 minus 1 equals 3.
Word Spot: white, new
Here are new sight words.
Look at each word. Say it. Spell it.
White: W-H-I-T-E.
New: N-E-W.
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.
The snow is ___.
We are at a ___ stop.
Nice work! Tomorrow we take groups apart.