Symbols
This symbol is used to Add.
+=Addition
25+89=
114
0/1=5/89?
No
This strategy is used to break up parts
The break up strategy
What happens if you tip a water glass
It usually breaks
This is used in problems when you take away.
-=subtraction
890909-345=
620’9
2/2=11/11?
Yes
Used with multiplication and 5’s
The 5’s stratedgy
What happens if you pour oil in water
The oil sinks
This symbol adds faster.
X=multiplication
8x8=
64
120/2>1000000000/1000000000=56/600000000000
Nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo!
Used with skipping numbers to get to bigger numbers
Skip-counting
A cube has sides
6
This symbol finds how much is in the total.
Division
81\9=
9
12/6=8/4
Yes
Usually multiplying rows and columns
The array strategy
A prism can
Reflect light
This symbol is used to multiply the same number 3 times.
Cube
The cube of 1,000 is?
10
1/2=4/2=6/3=8/4=10/5=1000/500
Yes
Skipping fractions
Fraction counting
The Sun’s light is
Rainbow light