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Do you notice a pattern in the train cars below? Can you fill in the missing cars? In this Concept, we will practice describing the patterns we see in pictures and completing the patterns.

Guidance

When looking at a picture like the picture of the train cars above, sometimes we can look for a pattern. When looking for a pattern, read the colors aloud and see if you notice any set of colors happening more than once. After you figure out the pattern, you can fill in the blank cars so that they match the pattern.

Example A

Look at the train cars below and describe what you see. Do you notice a pattern?

You should notice that the colors Red, Blue, Yellow repeat three times. There is also a Red car at the end before the caboose.

What colors should the blank train cars be?

In order to fit with the pattern, the blank train cars should be Red, Blue, and then Yellow. Check that the pattern sounds right by naming all the colors of the cars aloud.

Example B

Look at the train cars below and describe what you see. Do you notice a pattern?

You should notice that the colors Red, Yellow, Yellow repeat three times. There is also a Red car at the end after the last two Yellow cars.

What colors should the blank train cars be?

In order to fit with the pattern, the blank train cars should be Yellow, Yellow, and then Red. Check that the pattern sounds right by naming all the colors of the cars aloud.

Concept Problem Revisited

In this set of train cars, the colors Blue, Red, Red, Yellow are repeated. In order to fit with the pattern, the three blank cars should be Yellow, Red, Red.

Vocabulary

One type of pattern is when certain characteristics (like color) get repeated many times in the same order. The train cars below have a pattern in their colors. The colors Red, Blue, and then Yellow repeat three times.

Guided Practice

For each set of train cars below, describe the pattern. Then, fill in the colors for the blank cars. Finally, read the colors of all the cars aloud to check that your solution sounds right.

1.

2.

3.

Answers:

1. In this set of train cars, the colors Yellow, Yellow, Blue, Blue are repeated. In order to fit with the pattern, the blank cars should be Yellow, Yellow, Blue.

2. In this set of train cars, the colors Red, Blue, Blue, Yellow are repeated. In order to fit with the pattern, the blank cars should be Red, Blue, Blue.

3. In this set of train cars, the colors Red, Red, Yellow, Blue are repeated. In order to fit with the pattern, the blank cars should be Red, Yellow, Red, Red, Yellow.

Practice

For each set of train cars below, describe the pattern. Then, fill in the colors for the blank cars. Finally, read the colors of all the cars aloud to check that your solution sounds right.

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Difficulty Level:

At Grade

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Date Created:

Jan 18, 2013

Last Modified:

Dec 13, 2013
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