Unit 1
place value
greater than less than equal to
comparisons/compare round/estimate
symbol =, >, < (equal, greater than, less than)
number sentence (4 + 3 = 7)
multiples
expanded form standard form word form (one-hundred thirty-five)
variable
periods (ones, thousands, millions...)
tape diagram number line
bundling/unbundling making/breaking
renaming
changing exchanging/trading
