3.1.1 - properties of addition
Cuisenaire rods
1) Model with the rods
G + R =[br][br]W + Y =[br][br]P + Y =
[b]Y[/b]ellow[br][b]D[/b]ark green[br]blu[b]E[/b]
2) If the sum exceeds Orange, use O + ______, where the excess color goes in the blank. Model with rods. Write just the letter.
K + E =[br][br]N + D =[br][br]K + K =
[b]D[br]P[br]P[/b]
Model & answer # 3 in activity manual. What relationship do you notice?
They are all colors
They are all odd
I didn't notice one
Each pair has the same result
5 c) Model with the rods
(P + R) + G =[br][br]P + (R + G) =[br][br]What do you notice?
E[br]E[br]result is the same
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Información: 3.1.1 - properties of addition