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Module 1
Sums and Differences to 10


Throughout this Module, students will:
  • become more fluent with addition and subtraction of numbers to 10
  • compose numbers using put together situations
  • decompose numbers using number bonds
  • describe 1 more as +1
  • add 1 and count on without recounting
  • describe put together situations with number bonds
  • draw pictures and generate equations to represent story problems
  • solve add to with change unknown problems
  • utilize 5-group cards to support counting on and subtraction
  • understand and utilize the equal sign within equations
  • recognize doubles and doubles plus 1
  • conceptualize subtraction as finding a missing part
  • create sets of related addition and subtraction facts

Terminology Definition Illustration
count on counting up from one addend to the total
track using different objects to track the count on from one addend to the total
expression a mathematical phrase without an equal sign
equation A number sentence with an equal sign. The amount on one side of the equal sign has the same value as the amount on the other side. 
addend one of the numbers being added
doubles addition fact with 2 addends that are the same size
doubles plus 1 addition fact with a double to add then add one
part a piece of a whole
total and whole terms used interchangeably instead of sum
addition shows combining; putting together 2 or more quantities
subtraction take away, remove, compare
equal having the same amount
number bond a graphic showing part/part/whole
equal sign represents "is the same as"
5 groups cards used to illustrate 2 rows of 5

Number bonds from JD K-4 Math on Vimeo.

5 groups and number bonds from JD K-4 Math on Vimeo.

solving add to with change unknown from JD K-4 Math on Vimeo.

counting on using number path from JD K-4 Math on Vimeo.



Dr. Peter Smith, Superintendent

P.O. Box 606
DeWitt, NY 13214

Phone: (315) 445-8300

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