MAP 3rd Grade Math : MAP 3rd Grade Math

Study concepts, example questions & explanations for MAP 3rd Grade Math

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Example Questions

Example Question #11 : Map 3rd Grade Math

Megan is working on a science experiment. She needs \(\displaystyle 4\) times the amount of water that she has shown on the scale below. How much water does she need?  

11 g

Possible Answers:

\(\displaystyle 40g\)

\(\displaystyle 44g\)

\(\displaystyle 48g\)

\(\displaystyle 52g\)

Correct answer:

\(\displaystyle 44g\)

Explanation:

Megan has \(\displaystyle 11g\) of water. If she needs \(\displaystyle 4\) times that amount, we can multiply to find our answer. 

\(\displaystyle \frac{\begin{array}[b]{r}11\\ \times\ 4\end{array}}{ \ \ \ \ \ \space 44g}\)

Example Question #3 : Measurement And Data

What is the perimeter of the rectangle below? 

Screen shot 2015 09 29 at 8.29.52 am

Possible Answers:

\(\displaystyle 39in\)

\(\displaystyle 37in\)

\(\displaystyle 38in\)

\(\displaystyle 40in\)

Correct answer:

\(\displaystyle 38in\)

Explanation:

The formula for perimeter of a rectangle is \(\displaystyle P=2(l + w)\)

To solve for the perimeter we can plug our known values into the equation. 

\(\displaystyle P=2(11+8)\)

\(\displaystyle P=2(19)\)

\(\displaystyle P=38\)

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