Science of Math
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Make any amount up to 15 from weights that double: 1, 2, 4, 8
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Skill, som
Builds on
Split numbers up to 10 into parts, and find the partner that makes ten
Write down what is on each side of the scale
Leads to
Two of the same weight trade for the next weight up (carrying)
Lessons
Lesson 1: Four weights · Counting with weights
Lesson 1: Four weights · What the table shows
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