adding a group, area, friendly numbers, column addition, counting up, equivalent, estimate, expand-and-trade subtraction, expanded form, expression, factors, facts table, function machine, helper fact, input, key, multiplication squares, open number line, output, partial-sums addition, partition, picture graph, precisely, reasonable, rule, scaled bar graph, scaled picture graph, square product, square units, subtracting a group, tile, turn-around rule, place value, hundreds, tens, ones, decompose, patterns, friendly jumps, unknown, array, equal groups
Bold Font: Listed in teacher's EDM4 edition
Normal Font: not listed in teacher’s edition as a vocabulary word but will be helpful for students in explanations