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From dmoore@ed.sc.gov
35 playsLearn how to subtract. -
From dmoore@ed.sc.gov
66 playsExplore how to find a missing addend. -
From dmoore@ed.sc.gov
61 playsLearn about composing and decomposing, part 2. -
From dmoore@ed.sc.gov
30 playsLearn how to add. -
From dmoore@ed.sc.gov
34 playsExplore how to find a missing addend, part 2. -
From dmoore@ed.sc.gov
64 playsLearn how to solve addition story problems. -
From dmoore@ed.sc.gov
42 playsLearn how to solve subtraction story problems. -
From dmoore@ed.sc.gov
65 playsIntroduction composing and decomposing. -
From dmoore@ed.sc.gov
55 playsLearn about composing and decomposing. -
From dmoore@ed.sc.gov
114 playsExplore how to make the number 10. -
From dmoore@ed.sc.gov
98 playsExplore subitizing, part 2. -
From dmoore@ed.sc.gov
45 playsLearn about comparing numbers and groups using greater than, less than and equal to. -
From dmoore@ed.sc.gov
148 playsExplore subitizing. -
From dmoore@ed.sc.gov
59 playsLearn about comparing numbers and groups using greater than, less than and equal to, part 2. -
From dmoore@ed.sc.gov
78 playsExplore subitizing by grouping quantities. -
From dmoore@ed.sc.gov
86 playsLearn about the counting principle number cardinality.