Six seeds / S-3
Units can be redefined
Ten ones make one ten; cut a bar into three and one piece is a new unit; 1/2 and 2/4 are the same point.
Grows into: Fractions, decimals, ratio, number bases, substitution
7 videos
- 1 Make Ten: Why Split the 5 in 8+5? Coming soon
- 3 The Hidden Diagonal in the Nines Table Coming soon
- 5 What Long Multiplication Is Really Doing Coming soon
- 6 1/2 and 2/4 Are the Same Point Coming soon
- 7 Why Do Fractions Need a Common Denominator? Coming soon
- 8 Multiplying Fractions: A Part of a Part Coming soon
- 9 Why Dividing by a Fraction Means Flip and Multiply Coming soon