AnnMaria De Mars












Zombies from terms video
You know there are four basic mathematical operations, right? Addition Subtraction Multiplication Division Your children probably know that as well. Do they know the meaning of sum, divisor, quotient, the difference between a product and a dividend? You might be surprised by the answer to that. Many teachers have told […]

The world’s largest Venus fly-trap: Problem-solving resources for 4 basic ...