Words to Know: Grade 1
These Grade 1 vocabulary terms include many recommended high-usage words. If you’re planning to play Flashcard Factory, we recommend choosing 5-10 terms per session and using the Merriam-Webster integration to quickly add definitions relevant to your students.

How to use the words
- Copy words using the 'Copy words' button
- Open Vocab Editor
- Import words
- Choose definitions
- Play!

always at all times
argue to give reasons for or against
begin to do the first part of an action
better of higher quality
between in an intermediate space or interval
both the one as well as the other
chart a sheet giving information in the form of a table or of lists or by means of diagrams or graphs
consequence something produced by a cause or necessarily following from a set of conditions
describe to represent or give an account of in words
discover to detect the presence of
discuss to talk about
during throughout the duration of
effect an event, condition, or state of affairs that is produced by a cause
event something that happens
explore to investigate, study, or analyze :look into
far at or to a considerable distance in space or time
few not many but some
finish to bring or come to an end
keep to take care of
leave to cause to remain behind
likely being such as to make a certain happening or result probable
locate to seek out and find the location of
main the chief part :essential point
may be in some degree likely to
never not ever :at no time
next immediately preceding or following
observe to pay attention to
often many times
opinion a view, judgement, or appraisal formed in the mind about a particular matter
order to put in or bring about order
organize to arrange or form into a complete and functioning whole
participate to engage or have a share in something in common with others
pass to go by :move past
predict to declare in advance :foretell on the basis of observation, experience, or scientific reasoning
reason a statement offered in explanation or justification
review study or examine again
seem to give the impression of being
since after a time in the past
still not moving
sure marked by or given to feelings of confident certainty
thought the act or process of thinking
type a specimen or series of specimens on which a taxonomic species or subspecies is actually based
until up to the time of
unusual not usual
usual commonly or ordinarily used
while during the time that