# What Measure Should I Use? {Mental Math Activity}

Here is a fun game to play in class. Tell students that you want to measure something and have them tell you which units you should use as a measure for problems involving both weight and linear measure.

# How Much Do You Make? How Much Do You Get to Keep?

Tell the students to put away all books, electronic devices, calculators, pens or pencils. For this activity you want them to use the best calculators they have…their minds!….This activity is also a great springboard for having students think about salaries in different countries or for different types of work.

# Losing Your Marbles? {Mental Math Game}

Bring in a large cylindrical glass jar that is filled with marbles of different shapes and sizes. Also bring in a tiny cylindrical glass jar that is filled with marbles. Tell the students the amount of marbles that are in the tiny jar.

Their task is to estimate the number of marbles in the large glass jar. At the end of the activity, have students count the marbles in the large glass jar and compare them to the mental math answers they came up with.

# I’m Thinking of a Number

Choose a number between 1-100 but don’t tell your class what the number is. Now they must ask you questions to determine what the number is. But here is the catch…if they ask you a […]