### 3rd Grade: Late October, Early November = Subtraction!

Subtracting whole numbers to solve problems (Topic 4) Models for subtracting 2-digit numbers Subtracting 2-digit numbers Models for subtracting 3-digit numbers Subtracting 3-digit numbers Subtracting Across Zero

### 5th grade: Late October, Early November Topic = Division with 2 digits!

Dividing by 2-digit divisors (Topic 5) Using Patterns to Divide Estimating Quotients with 2-digit divisors Dividing by multiples of 10 1-digit quotients 2-digit quotients Estimating and Dividing with greater numbers

### 4th Grade: Late October, Early November Topic = Division!

Division Meanings and Facts (Topic 4) Meanings for Division Relating Multiplication and Division Special Quotients Using Multiplication Facts to Find Division Facts

### Estimation Oct 26 – 30

How many cheeseballs will fit in the bowl? Click HERE for other estimates and the solution!

### Puzzler Oct 26 – 30

Write 2014 with the first four prime numbers, with the aid of the operations addition, multiplication and exponentiation. Puzzle provided by Paulo Ferro Click HERE for the solution (scroll down to the bottom).

### Activity Oct 26 – Oct 30

Practice your division facts in a car race! Go HERE to start racing!

### Questioning gone wrong

“Pose questions and tasks that elicit, engage, and challenge each student’s thinking.” – NCTM

Place Value (Number Disks with Place Value Charts) from EngageNY on Vimeo.

### Puzzler for Oct 19 – Oct 23

Move one pencil to make four identical triangles. To check your work, check HERE!  Scroll down to see it!

### Activity Oct 19 – Oct 23

Work on your multiplication facts with the multiplication table HERE. Try to say the product out loud before you click on the blank!  Good luck!

### Estimate Week of Oct 19 – Oct 23

How many pieces of candy corn are in the cup? Check your estimate HERE.

### Order of Operations Rap

There are rules to follow in math…sing about them so you never forget!

### Alternative methods to long division algorithm

1st Alternative: 2nd Alternative:

### Estimate Oct. 14 – 16

What is the value of all the coins in that bowl?!!! Click HERE to see other estimates and the actual answer —see how close you got!

### Brain Teaser Oct. 14 – 16

Move those matches! Try to figure out the puzzle found HERE!