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My class is starting Unit 1. Students will be learning about numbers
through 50, addition and subtraction facts, data, graphing,
and probability.
Vocabulary: These are some words and symbols we will use in this unit:
addend: Any number being added
sum: The results of addition
fact family: A set of related facts
difference: The results of being subtracted
greater than: Used to compare two numbers
less than: Used to compare two numbers
tally marks: Symbols that represent a count
estimate: To try to determine about how many are in a group
More words: data, symbol, graph, mode, range, median, ordered pairs, grid, survey, outcome and predict.