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Grade 1

Vocabulary



Patterning 

pattern

repeat

core

Representing Numbers 

zero

one

two

three

four

five

six

seven

eight

nine

ten

eleven

twelve

thirteen

fourteen

fifteen

sixteen

seventeen

eighteen

nineteen

twenty

count

number

equal groups 

singles

estimate

more

fewer

same as

equal

as many as

more

less

numerals 21 – 50 

skip counting 

numerals 51 – 100 

count

group

more

less


Addition and Subtraction

number

addition

adding

number sentence 

addition sentence 

doubles

doubles facts 

subtract

take away 

subtraction sentence 

subtraction story 

mental math

doubles fact 

addition fact 

subtraction fact 

number sentence 

addition sentence 

sum

subtraction sentence 

difference

story problem 

solve

think addition

Measurement

long

longer

length

short

shorter

compare

baseline

far

farther

farthest

shortest

longest

order

cover

area

surface

greater than

less than

holds more 

holds less

mass

weight

balance scale 

heavier than

lighter than

about the same as 


Geometry

object

attributes

edges

corners

vertices

points

curves

slide

roll

stack

flat faces 

bottom

top

pointed

curved

long

tall/taller

thin/thinner

wide/wider

tangram

vertex