# MTE280

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MTE280

## 1. Week 1 - Intro

### 1.7. Ploya (4-steps) UnDevCarLo

1.7.1. 1. (Un) Understand the problem

1.7.2. 2. (Dev) Develop a plan

1.7.3. 3. (Car) Put in to action

1.7.4. 4. (Lo) Look back - Does my answer make sense?

## 2. Week 4 - Subtraction

### 2.1. Subtraction

2.1.1. When showing subtraction, show the blocks off the "mat" and display the things you aretaking away on the side. Then take the blocks off the mat and from the side at the same time. On -> What they have (first #) Off -> What you are subtracting

### 2.2. Expanded Form

2.2.1. Expanded Form SUB.jpg

3.1.1. Mult.jpg

## 4. Week 6 - Multiplication (Cont.)

### 4.1. Algorithms (Mult)

4.1.1. Expanded Form (Mult)

4.1.1.1. Expanded Form MULT.jpg

4.1.2. Left to Right (Mult)

4.1.2.1. Left to Right MULT.jpg

4.1.3. Area Model

4.1.3.1. Area Model.jpg

4.1.4. Lattice (Mult)

4.1.4.1. Lattice MULT.jpg

## 5. Week 2 - Base 10

### 5.1. Base 10 blocks

5.1.1. Base10.jpg

### 5.3. Convert from base ten to different bases

5.3.1. Convert to base 10.jpg

## 6. Week 3 - Addition

6.1.1. Expanded Form

6.1.1.1. Expanded Form.jpg

6.1.2. Left to Right

6.1.2.1. Left to Right.jpg

6.1.3. Friendly Numbers

6.1.3.1. Friendly Numbers.jpg

6.1.4. Scratch

6.1.4.1. Scratch Meathod.jpg

6.1.5. Lattice

6.1.5.1. Lattice.jpg

### 6.2. What makes the best algorithms?

6.2.1. 1. If it will work, no matter how hard the problem gets

6.2.2. 2. Efficient

6.2.3. 3. Based in solid mathematical principles (when place value matches (3 VS 300 as a carried number)

## 7. Week 7 - Division

### 7.1. Division: Equal amount of groups. The remainder is the numerator, the divisor is the denominator.

7.1.1. Division.jpg

### 7.2. Repeated Subtraction

7.2.1. Repeated Sub.jpg

### 7.3. Upwards Division

7.3.1. Upwards Division.jpg

## 8. Week 8 - Fractions

### 8.4. Which is bigger?

8.4.1. Bigger.jpg

### 8.5. Why do we need to find common denominator when we add and subtract but not when we multiply?

8.5.1. Common (1).jpg

## 9. Week 9 - Multiply and Dividing Fractions

### 9.2. Multiplying Fractions (funky ones)

9.2.1. Mult Fractions.jpg

### 9.3. Dividing Fractions (KCF)

9.3.1. Dividing Fractions.jpg

## 10. Week 10 - Solving Decimals

10.1.1. Line up the decimals (students may find this difficult because some students are unsure whether the decimal is before or after the whole number)

### 10.3. Show subtracting Fractions

10.3.1. Show Sub Fractions.jpg

### 10.4. Show multiplying Fractions

10.4.1. Show Mult Fractions.jpg

## 15. Week 15 - Order of Operations

### 15.1. GEMDAS

15.1.1. Group

15.1.2. Exponents

15.1.3. Multiplication/Division