3 grade math ms sue
posted by dw .
problem solving draw a picture
1Larry used a pattern of colors to make a cube train.He used a red cube,a blue cube,a red cube,and another red cube before he started the pattern again.He used 15 cubes. How many red cubes did Larry use?
2Eric and Frank want to equally share 4/3 feet of rope. what lenght of rope should each friend get? Explain how to use a drawing to help solve the problem.
can you explain the promblem my son confuse but he still try when try then i will write down what is his answer thank you.

1. Your son should draw a picture of the cube train. The first one is red, the second is blue, the third and fourth are red.
R B R R . . . R B R R  and so on.
1. Draw a picture:
_____________________________ 
Unknown

i do not know

4 cubes

10 cubes

12

Larry use 4 red

Larry use 4 times red cubes

11 red cubes