**Singapore Math at HTS**

**Language**

**Methods**

Math in Focus

Making 10

10 is a very important number

Students practice making 10 and memorizing numbers to 10 in 1st Grade.

Will help with mental math as they go along.

Nearest 10

Students can add or subtract two digit numbers by making the next 10 and then subtracting or adding the appropriate number of ones.

Bar Modeling

Problem solving!

What is it?

Collaboration between educators from Singapore and from the US

Singapore methods begin in first grade.

Each grade begins where the last grade left off.

Fewer topics - more focus on mastery

Why do we use this program?

Our program focuses on mental math!

What about gifted or struggling learners?

Different leveled workbooks (reteach, on-level, enrichment)

Math Journals and 'Thinking Caps'

Links to lessons from previous grades

Number Bonds!

**Our Objectives tonight:**

To provide a better understanding of:

the language used

the methods used

how to help your child with homework!

3 + 2 = 5

2 + 3 = 5

5 - 2 = 3

5 - 3 = 2

Number Sentences

Concrete, Pictorial, and Abstract

Students learn Singapore Math in 3 formats:

equals

is the same as

6 + 4 = 9 + 1

Equal Sign

Example

7 + 5 =

Example

68 + 7 =

Example

28 + 26 =

adding and subtracting numbers based on their place value

Using Place Value (tens and ones)

Example

33 + 40 =

Example

24 + 5 =

Example

57 + 26 =

Example

37 + 26 =

Example

74 - 28 =

Also in 3+ digit numbers

578 - 98 =

Example

39 - 20 =

Example

48 - 4 =

Example

56 - 7 =

Why Singapore Math?

4/13/08

Students are encouraged to use whichever method works best for them

Method of problem solving used in grades 2 and up.

Bar modeling

examples to come!

Example

Jerry has found 21 perfect sea shells so far. Lindsey has found 16 more than Jerry. How many shells have they found in total?

Example

JKL Music Store sold 347 CDs last week, and 579 CDs this week. They now have 1294 CDs in the store. How many did they have to start?

Example

Nancy has 245 stamps. Shannon has 327 more stamps than Nancy. Liz has 163 fewer stamps than Shannon. How many stamps does Liz have? How many stamps do they have in total?

Our Program:

Strengthens number sense

Solidifies place value understanding

Increases mathematical confidence

Provides immediate feedback

Improves mental organization skills

Great for diverse learning styles

Can be used anywhere, any time

Develops memory

It's Fun!

How can we get more help?

reach out to your teacher

email us!

Math in Focus website

Khan Academy - 3rd grade lessons on youtube

**Questions?**

One more!

1000 - 428 =

What about multiplication and division?

Use place value (distributive property)

decompose factors into 'friendly numbers'

rearrange factors