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Meghan Hearn [email protected]
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Mathematics in the Elementary School:EDU 592
Ground Rules
Manage Personal TechnologyBe PunctualAssignments are due on the due dateOne person talking at a timeRespectful listeningBe respectful of opposing opinionsContact me with any questions or concerns
100’s Chart Tic-Tac-Toe
Let’s play.
Think about the math you need to know and understand to play this game while you play.
Tic-Tac-Toe
Draw a 3X3 gridDecide who will go first. Each player chooses a different colored pencil.First player choose any number from 1 to 100 and place it anywhere in the grid.Pretend this is a piece cut from a hundreds chart and play regular Tic-Tac-Toe.
Describe
What skills do your students need to complete this task?
What math concepts do they need to understand?
What is Number Sense?
• Understanding numbers, ways of representing numbers, relationships among numbers, and number systems
• Understanding meanings of operations and how they relate to one another
• Computing fluently and make reasonable estimates
» (NCTM 2010)
• Developing a sense of whole numbers and representing and using them in flexible ways, including relating, composing, and decomposing numbers
• Connecting number words and numerals to the quantities they represent, using various physical models and representations
NCTM 2010
• Counting with understanding and recognizing "how many" in sets of objects
• Using multiple models to develop initial understandings of place value and the base-ten number system
• Developing understanding of the relative position and magnitude of whole numbers and of ordinal and cardinal numbers and their connections
NCTM 2010
Number Sense
Number sense is an understanding of number concepts, place value, and computation.
Losq (2005)