Symbols
Equations
Fractions
Strategies
Other school things
100

This symbol is used to Add.

+=Addition 

100

25+89=

114 

100

0/1=5/89?

No

100

This strategy is used to break up parts 

The break up strategy 

100

What happens if you tip a water glass 

It usually breaks 

200

This is used in problems when you take away.

-=subtraction

200

890909-345=

620’9

200

2/2=11/11?

Yes 

200

Used with multiplication and 5’s

The 5’s stratedgy

200

What happens if you pour oil in water 

The oil sinks 

300

This symbol adds faster.

X=multiplication

300

8x8=

64

300

120/2>1000000000/1000000000=56/600000000000

Nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo!

300

Used with skipping numbers to get to bigger numbers 

Skip-counting 

300

A cube has  sides

6

400

This symbol finds how much is in the total.


Division 

400

81\9=

9

400

12/6=8/4

Yes

400

Usually multiplying rows and columns 

The array strategy 

400

A prism can

Reflect light 

500

This symbol is used to multiply the same number 3 times.

Cube 

500

The cube of 1,000 is?

10

500

1/2=4/2=6/3=8/4=10/5=1000/500

Yes

500

Skipping fractions 

Fraction counting 

500

The Sun’s light is 

Rainbow light