Grade 2 &3 math Glossary Words

digit
place value
乘法： equal groups ,multiplication, factor, product
除法：division, quotient
pattern         - something that repeats itself over and over in an organized way.
patterning rule - the reason the pattern is an actual pattern.
graph             -  information displayed in a horzontal and vertical axis in an organized way.
symmetrical   - exactly the same  on one side as on the other.
tally           - a quick gathing of information based on the same criteria.
mass         - the metric measurement for weight measured in g(grams ) and kg.
congruent 全等的
circle, triangle, square, rectangle, pentagon五边形, hexagon六, octagon八,Parallelogram平行四边形
three-dimensional figures:
sphere
cube
cone
cylinder
rectangular prism-长方体
triangular prism
perimeter            -周长
fraction               -分数

To slide a shape means to move it along a line.
To flip a shape means to move it over a line.
To turn a shape means to move it around a point.