subtraction

Home » subtraction

Simple operations – fun with math

By |2017-07-29T17:19:22+00:00July 29th, 2017|Math|

Walk along a chalk line The four basic things you do with numbers are addition, subtraction, multiplication, and division. Each of these is basically a way of describing how fast you are moving along the number line, and in which direction. Find out more about each of these by clicking on them! More about Addition More about Subtraction [...]

Commutative project – Chalk number line

By |2018-04-24T07:57:26+00:00July 29th, 2017|Math|

Walk along a chalk line To get to understand the number line better, mark out a line on the playground or on the sidewalk outside your house with chalk. At the middle of the line, write 0 (zero). Going one way along the line from zero, write the positive numbers a step apart (1, 2, 3, [...]