Hosted on MSN

Top 10 Easiest Tricks to Add and Subtract Without Pen or Paper

Addition and Subtraction Tricks Without Pen and Paper: Doing quick calculations without writing anything down can seem tricky, but with the right mental math techniques, students can easily learn to ...
PBS

Grade 5 Math #8: Subtracting Decimals and Problem Solving

Keep Learning is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...
The Conversation

Can bees do maths? Yes – new research shows they can add and subtract

Scarlett Howard received funding for this project from The Company of Biologists and the Australian Government. Adrian Dyer and Jair Garcia do not work for, consult, own shares in or receive funding ...
New Scientist

Stingrays and zebra mbuna fish know how to add and subtract

Stingrays and zebra mbuna fish can perform simple addition and subtraction involving numbers between 1 and 5. Several studies have shown that fish can tell the difference between higher and lower ...
PBS

Can You Find the Short “u” in Subtract?

Help Super Grover 2.0 solve a prickly problem, read ALL THE WAYS TO BE SMART. Help Super Grover 2.0 solve a prickly problem, read ALL THE WAYS TO BE SMART, subtract using 10 frames, learn about short ...