# 3rd Grade Math

##### Session 1: Large Numbers
1. Understanding placement values of whole numbers up to thousands;
2. Rounding numbers to the nearest tens, hundreds, or thousands and writing them in expanded notation.

Ex) Which number is in the hundreds place of 4,384? Write 345 in           expanded notation: 300+40+5

##### Session 2: Addition of Decimals
1. Review addition and subtraction with focus on addition and subtraction of up to two decimal places.

Ex) 345 + 231
Ex) \$10.99 + \$4.32
Ex) \$56.20 + \$23.12

##### Session 3: Multiplication and Division
1. Understanding multiplication principles and relationship between multiplication and division.

Ex) Multiplication and division from 0-100
Ex) 8 x __ =48 or __ ÷ 3=15

##### Session 4: Fractions and Decimals
1. Understanding concepts of whole numbers, simple fractions, and decimals.
2. Understanding fractions on a number line

Ex) 0.5 is 5/10 or ½
Ex) 3 is 3/1

##### Session 5: Units, Metric and Imperial
1. Understanding the appropriate use of metric units including inches, feet, centimeters, miles, liters, gallons, etc.

Ex) 12 inches = 1 foot
Ex) Would you measure a book in inches or feet?

##### Session 6: Time
1. Understanding estimation of intervals of time.

Ex) It is 3:15 PM, how many more minutes until 4:30 PM

##### Session 7: Area and Perimeter
1. Understanding concepts of area and relate area to multiplication and to addition.

Ex) Areas and perimeters of squares, rectangles, and triangles

##### Session 8: Representing Data/Review
1. Understand how to represent data using graphs.
1. Ex) Draw a bar graph in which each square in the bar graph might represent 5 pets.
2. Complete and challenging review of course material covered in the past eight weeks.