MATH 1 Applications of lessons learned in 1 st grading…

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Presentation transcript:

MATH 1 Applications of lessons learned in 1 st grading…

1)Counting 1 to 10Counting 1 to 10 2)Philippine peso CoinsPhilippine peso Coins 3)Ordinal NumbersOrdinal Numbers

1)Adding Vertically and HorizontallyAdding Vertically and Horizontally 2)Adding without RegroupingAdding without Regrouping 3)Adding with RegroupingAdding with Regrouping 4)Problem solvingProblem solving

1)Subtraction without RegroupingSubtraction without Regrouping 2)Subtraction with RegroupingSubtraction with Regrouping

0zero I don’t have anything for zero. He is all alone. 0

1one I have one ball. 1

2two I see two bees. 1 2

3three I see three playing dolphins

4 four I see four frogs playing with the computers

5 Five I see five elephants walking

I see six monkeys

I see seven horses running.

I see eight walking tigers.

I see jumping nine rats.

I see ten happy cats.

Php1 is equal to Php1 Php1 = Php1 =

Php5 is equal to five Php1 Php5 =

Php10 is equal to ten Php1 Php5 = =

……OR Php10 is equal to two Php5 Php5 Php5 Php10 =

Ordinal numbers

5 th 1 st 4 th 2 nd 3 rd

1 + 2

Vertically… ________

First, we add the ones.

Then, the tens.

Add your ones … Then, add your tens.

Add your ones. Carry over 1 on top of 2 in the tens place. 1

Add your tens. Add all the numbers in your tens place. 1

1

1 And that’s how to add with regrouping!

+

42

How many BANANAS are hiding under the SQUARE, if the total is 5? 43 square 5-1=4

How many BANANAS are hiding under the SQUARE, if the total is 5? 44 4

How many BURGERS are hiding under the CIRCLE if the total is 9 ? =5 circle

How many BURGERS are hiding under the CIRCLE if the total is 9 ? 46 5

How many DOGS are hiding under the RECTANGLE if the total is 6 ? 47 rectangle 6-3=3

How many DOGS are hiding under the RECTANGLE if the total is 6 ? 48 3

How many APPLES are hiding under the TRIANGLE if the total is 10 ? 49 triangle 10-5=5

How many APPLES are hiding under the TRIANGLE if the total is 10 ? 50 5

Lets see the correct answer! 51 9 – 1 = ___ 87

Tens Ones Let’s start with 62 and then take away 8.

Tens Ones is 6 tens and 2 ones.

Tens Ones I will take away 8 ones.

Tens Ones This is how I got more ones...

Tens Ones Now I have five tens and twelve ones. 512

Tens Ones This is how I can take 8 ones. 512 There are 4 ones left. 4

Tens Ones There are 5 tens left. 54 is the answer. 45

Tens Ones is 4 tens and 1 one.

Tens Ones I will take away 3 ones.

Tens Ones This is how I got more ones…

Tens Ones I have 3 tens now. 3

Tens Ones I have eleven ones now. 311 Ihad 1 one and I got 10 more I had 1 one and I got 10 more.

Tens Ones Do I still have 41 total?

Tens Ones YES! When you regroup, you still have the same amount. You just show it a different way!

Tens Ones Now I will take away 3 ones. 311 There are 8 ones left. 8

Tens Ones I will take away 1 ten. 8

Tens Ones There are 2 tens left. 28 is the answer. 82