Elementary Education

Week 7

Alternative Algorithms for Subtraction, Multiplication and Division

Expanded Form & Equal Addends

Expanded Form Example: 68-35 60 + 8-30 + 5______30 + 3 = 33Equal Addends Example: 500 - 358500-1 = 499358-1 = 357__________ 142

Repeated Subtraction & Upwards Division

Week 8

Divisibility Rules & Adding Integers

Divisibility Rules

Adding Integers

+ + -35 + (-24) Sub 35 -24____11Larger # equals the sign75 +(-95) = -20

Week 9

Solving subtraction, Multiplication, and Division with integers

Building adding integers

Hector's Method

Hectors Method example :K C C - - - -45 - (60)+ -60______-105

Week 10

Fractions intro & Solving Fractions

Comparing fractions

Adding and Subtracting Fractions

Week 11

Exam #2

Week 15

Scientific Notation

Scientific Notation:Negative exponents = Smaller numbersPositive exponents = Larger numbers# Needs to be between 1-10. -4Ex: 4.25 X 10 0.000425 6-5.352X10-5,352,0000

Week 14

Order of Operations

GEMD (L-R)AS (L-R)

Week 13

Solving decimals

Show Add/Sub/Mult

Week 12

Building, showing, and dividing fractions

Multiply and Dividing Fractions