Whole Numbers - What's My Unit? Rods Greater than white = one

Activity: Demonstrate how to solve for decimal values for squares and cubes with an orange rod as the unit.

Solve problems like the following:

Directions - IF then Puzzles for decimal numbers.

Let one orange rod = 1

If an orange rod = 1, then one white cube =

If an orange rod = 1, then one orange square =

If one orange rod = 1, then what is the value of each of the following sets?

Let one orange square = 1

1 orange square, 2 orange rods, and 4 white cubes

8 orange squares and 3 white cubes

2 orange rods, and 8 white cubes

5 orange cube, 2 orange rods, and 4 white cubes

7 white cubes

1 orange square, 3 orange rods, and 2 white cubes

5 orange cubes, 4 orange squares, 6 white rods, and 3 white cubes

How many cubes, squares, and rods are needed to represent the following numerals?

.1

.3

1.5

1.4

.4

.7

12.6

2.5

 

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