2023-11-20 09:44:37
Impress your parents at dinner
Impress your parents at dinner

This activity is the first in our series on mental math tricks. Let your students develop their own individual way of mentally multiplying by 0.5, 5, 50, 500, and so on. We have a little practice and a requirement for students to make sense of and verbalize or draw a picture of their conclusions as to why this works.
Comments (0)
Display 1 - 10 Of total 0
Valentine's Cardioid
WojciechSwiderski at the Polish l...
Hexadecimal coloring
Probably most of us have heard of and even u...
Shopping season already!
We used to see holiday sales right after Thanksg...
2023 World Cup Cricket
The Cricket World Cup is being played now (Octob...
2026
As the new year approaches (where did the ti...
The James Webb space telescope and the Hubble
wp:paragraph
There have been outstanding i...
April's calf was born!
At about 10:00 am, April 15th, April's calf ...
Pokémon GO! I should have invested
Pikachu
Pokémon GO is all the ra...
How fast can you run?
Have you heard of The Six Million Dollar Man? &n...
Hoarding stopped!
A Danish market found an...