Family Math Challenge

To celebrate International Day of Mathematics, spend some time as a family trying to complete these math challenges!!

HOW HAVE THESE NUMBERS BEEN SORTED? (Adapted from ReSolve)

Have a look at how Hugo and Kayla sorted some numbers in the Venn Diagrams below.

• What heading would you give to the numbers in KAYLA’s green circle?
• What heading would you give to the numbers in KAYLA’s blue circle?
• What makes KAYLA’s groups different?
• Why is 81 inside both of KAYLA’s circles?

• What heading would you give to the numbers in HUGO’s pink circle?
• What heading would you give to the numbers in HUGO’s yellow circle?
• What makes HOGO’s groups different?
• Why is 161 inside both of HOGO’s circles?

TESTING CLAIMS – ALWAYS, SOMETIMES, NEVER (Adapted from Nrich)

In this investigation you will be exploring whether claims are always, sometimes or never true.

• Read the following claims and decide if they are always true, sometimes true or never true.
• How do you know?