Elementary Math InstructionLaurel Lynch, Math CoachMay 1, 2014
Counting
K-2 3-5
•Count forward by ones to 100
•Skip count by 2, 5, 10
•Count backward
Place Value
K-2 3-5
•Group objects into tens and ones
•Compare three-digit numbers
•Compare whole numbers through millions
•Round whole numbers through the millions
•Round decimal through thousandths (5th)
Mental Computation
K-2 3-4
Addition/Subtraction through 20 Multiplication/Division through 144
Computation with Fractions & Decimals
K-2 3-5
•Add/Subtract fractions with like denominators
•Add/Subtract fractions with unlike denominators
•Add/Subtract decimals
•Add/Subtract/Multiply/Divide decimals
Math Properties
K-2 3-5
Identify the commutative, identity, associative, distributive properties
Money
K-2 3
•Identify each coin and value
•Determine value of collection of coins
•Count/compare collection of coins with value of $2.00 or less
•Determine value of collection of coins and bills ($5.00 or less)
•Make change
Time
K-2 3-5
•Tell time to the hour
•Tell time to the half-hour
•Tell & write time to nearest 5 minutes
•Tell time to nearest minute
•Determine elapsed time
Data
K-2 3-5
•Show data using object graphs, picture graphs, tables, pictographs, bar graphs
•Describe the data
•Collect and organize data using line plots, picture graphs, bar graphs, stem-and-leaf plots, line graphs
•Interpret the data
Measurement
K-2 3-5
•Identify various instruments
•Measure using non-standard units
•Estimate and measure length, weight, and liquid volume
•Estimate and measure length, weight/mass, and liquid volume using Customary and Metric units
•Estimate and measure area and perimeter
•Identify equivalent measurements
•Identify appropriate measurements and units
Geometry
K-2 3-5
•Sort and describe shapes
•Compare and contrast shapes
•Compare and contrast 2-D & 3-D shapes
•Describe lines, angles, rays, line segments, points
•Congruence
•Transformations
Algebra/Patterns
K-2 3-5
•Describe and extend repeating and growing patterns
•Describe and extend patterns using numbers, tables, and pictures
•Create and extend numerical and geometric patterns
•Describe and express the relationship in a number pattern
Problem Solving• Rigorous tasks (Exemplars)
• Work Collaboratively
• Work Efficiently
• Evaluate and adjust thinking
• Communicate (oral and written)
• Multiple Strategies
Exemplar ExamplesPeter loves ice cream. He went to
the store to buy an ice cream snack. They had strawberry, chocolate, and vanilla ice cream. He could have a bowl or a cone. How many different ways could Peter have ordered his ice cream?
I love M&M cookies! I decided to bake a batch. I put a bag of M&M’s, 45 in all, into my batter and baked a dozen cookies. Each cookie had at least 3 M&M’s and not more than 5. What are the different possible combinations of M&M’s?
Building Confidence & Success• Master Basic Facts
• Flexible Thinking & Connections
• Celebrate a Mathematician
• Adopt a more math-centric vocabulary
• Weave math into everyday activities
• Let them be the experts
Resources• Bedtime Math
• Books to pique interest in math– Miss Lina’s Ballerinas, Grace Maccarone
– Iggy Peck, Architect & Rosie Revere, Engineer, Andrea Beaty
– The Puzzling World of Winston Breen, Eric Berlin
– The Boy Who Loved Math: The Improbable Life of Paul Erdos, Deborah Heiligman
– Great Estimations & That’s A Possibility!, Bruce Goldstone
– The Grapes of Math, Math for All Seasons, etc, Greg Tang
– www.gregtangmath.com
Resources• Math Expressions
– http://www.apsva.us/Page/22308
• Nottingham iPad Apps– http://www.apsva.us/Page/24518
• Arlington County Math Department– http://www.apsva.us/Page/17768
Questions?
Laurel [email protected]
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