addend, a number that is added to another number, benchmark number, a number used to help add or subtract efficiently, column, a line of things stacked on top of each other, compose, numbers that are put together to create one number, confirm, to check if something is correct, decomposition, when you break a number into parts, difference, the amount or distance between two numbers or lengths, efficiency, doing math in a quick & smart way, endpoint, the point where something begins or ends, equation, like a number sentence, but we can write it to show that a number is unknown, expression, like a number sentence, but there is no equal sign, fewer, a smaller number of things, horizontal, side to side, length, how long an object is when measured from end to end, less, when comparing numbers, we say the smaller one is less, more, when comparing numbers, we say the bigger one is more, number bond, a part-part-whole concept to show the relation between three numbers, number line, a straight line representing numbers in order, number sentence, a math problem written with numbers and symbols, part-total, a way to show how smaller parts add up to make a whole, record, to write down or to keep track of something, rename, to group and exchange units for larger or smaller units, strategy, a plan to solve a math problem, subtraction, when something is taken away and we find out how many are left, tape diagram, shows the relationship between two quantities, unit, one item or a group used for counting or measuring, unknown, a number in a math problem that we don't know yet, unlabeled, without a name or description written, vertical, up and down.

Math - Module 4

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