3rd Grade Math - Measurement and Estimation

Ryan left for the movies at . He returned home hours and minutes later. What time was it when he returned home?

Explanation

For this problem we are adding to find a future time.

We can add hours to and minutes to .

$\frac{\begin{array}[b]{r}8\ +\ 4\end{array}}{ \ \ \space12}$ $\frac{\begin{array}[b]{r}0\ +\ 31\end{array}}{ \ \ \ \space 31}$

He returned home at

Ryan left for the movies at . He returned home hours and minutes later. What time was it when he returned home?

Explanation

For this problem we are adding to find a future time.

We can add hours to and minutes to .

$\frac{\begin{array}[b]{r}8\ +\ 4\end{array}}{ \ \ \space12}$ $\frac{\begin{array}[b]{r}0\ +\ 31\end{array}}{ \ \ \ \space 31}$

He returned home at

Emily worked on homework for hour and minutes. She started her homework at . What time did she finish her homework?

Explanation

For this problem we are adding to find the future time.

We can add hour to and minutes to .

$\frac{\begin{array}[b]{r}3\ +\ 1\end{array}}{ \ \ \ \space4}$ $\frac{\begin{array}[b]{r}0\ +\ 46\end{array}}{ \ \ \ \space 46}$

She finished her homework at

Emily worked on homework for hour and minutes. She started her homework at . What time did she finish her homework?

Explanation

For this problem we are adding to find the future time.

We can add hour to and minutes to .

$\frac{\begin{array}[b]{r}3\ +\ 1\end{array}}{ \ \ \ \space4}$ $\frac{\begin{array}[b]{r}0\ +\ 46\end{array}}{ \ \ \ \space 46}$

She finished her homework at

Molly worked on homework for hours and minutes. She started her homework at . What time did she finish her homework?

Explanation

For this problem we are adding to find the future time.

We can add hours to and minutes to .

$\frac{\begin{array}[b]{r}3\ +\ 2\end{array}}{ \ \ \ \space5}$ $\frac{\begin{array}[b]{r}20\ +\ 15\end{array}}{ \ \ \ \space 35}$

She finished her homework at

When Tracy got home from shopping she immediately called her friend to tell her about all of her purchases. They talked for hour and minutes. If it is when she hangs up with her friend, what time did they start talking?

Explanation

For this problem we are subtracting to find a previous time.

We can subtract hour from and minutes from .

$\frac{\begin{array}[b]{r}2\ -\ 1\end{array}}{ \ \ \ \space1}$ $\frac{\begin{array}[b]{r}57\ -\ 43\end{array}}{ \ \ \ \space 14}$

They started talking at

Explanation

For this problem we are subtracting to find a previous time.

We can subtract hour from and minutes from .

$\frac{\begin{array}[b]{r}2\ -\ 1\end{array}}{ \ \ \ \space1}$ $\frac{\begin{array}[b]{r}57\ -\ 43\end{array}}{ \ \ \ \space 14}$

They started talking at

Molly worked on homework for hours and minutes. She started her homework at . What time did she finish her homework?

Explanation

For this problem we are adding to find the future time.

We can add hours to and minutes to .

$\frac{\begin{array}[b]{r}3\ +\ 2\end{array}}{ \ \ \ \space5}$ $\frac{\begin{array}[b]{r}20\ +\ 15\end{array}}{ \ \ \ \space 35}$

She finished her homework at

Sarah worked on homework for hour and minutes. She started her homework at . What time did she finish her homework?

Explanation

For this problem we are adding to find the future time.

We can add hour to and minutes to .

$\frac{\begin{array}[b]{r}3\ +\ 1\end{array}}{ \ \ \ \space4}$ $\frac{\begin{array}[b]{r}7\ +\ 32\end{array}}{ \ \ \ \space 39}$

She finished her homework at

Sarah worked on homework for hour and minutes. She started her homework at . What time did she finish her homework?

Explanation

For this problem we are adding to find the future time.

We can add hour to and minutes to .

$\frac{\begin{array}[b]{r}3\ +\ 1\end{array}}{ \ \ \ \space4}$ $\frac{\begin{array}[b]{r}7\ +\ 32\end{array}}{ \ \ \ \space 39}$

She finished her homework at

Measurement and Estimation

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