Operations and Algebraic Thinking

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MAP 3rd Grade Math › Operations and Algebraic Thinking

Questions 1 - 3
1

What is the pattern for the numbers in the X column to the numbers in the Y column?

Screen shot 2015 09 23 at 10.33.05 am

Multiply

Add

Add

Multiply

Explanation

The question is asking what do we do to the value is the X column to get the value in the Y column. If we look at each value, we should see that each X value is multiplied by to get the Y value.

To find the rule, you may have to do some trial and error. The most important thing to remember is, once you think you have the rule, make sure to test the rule with all of the X values.

2

What is the pattern for the numbers in the X column to the numbers in the Y column?

Screen shot 2015 09 23 at 10.33.46 am

Add

Add

Multiply

Add

Explanation

The question is asking what do we do to the value is the X column to get the value in the Y column. If we look at each value, we should see that is added to each X value to get the Y value.

To find the rule, you may have to do some trial and error. The most important thing to remember is, once you think you have the rule, make sure to test the rule with all of the X values.

3

Jessica has been collecting beads all summer. She started with beads and by the end of the summer she was able to add more beads to her collection. On the first day of school she wants to evenly split the beads up amongst her friends. How many beads will each friend get?

Explanation

To solve this problem, we first have to find our unknowns. Our unknowns are the number of beads she will have by the end of the summer and the number of beads each of her friends will receive. We can set up equations for these unknowns by letting represent the beads that she has at the end of the summer and represent the number of beads each of her friends will receive.

because she gets more beads by the end of the summer.

because she is splitting up her total amount of beads between friends. When you split something up evenly you divide.

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