Subtract to Get 10 First

Learn how to subtract within 20 by first getting a ten.
#matholia #singaporemath #subtraction #subtractionto10
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Topic Description:
Understanding both subtraction conditions as “taking from” or “separating/comparing”, modeling subtraction situations with acting, objects, and diagrams such as number bonds, representing subtraction situations through equations.

Learning Targets:
I can solve subtraction problems by acting out problems with objects.
I can draw models of subtraction stories.
I can show subtraction stories with equations.

Suggested Classroom Resources
Counters of all kinds
Ten frames
Numeral cards
Dot cards
Simple dice games
Number lines
Pan balance
Number balance
Part-whole mats
Number bond cards