If the flat is 1, then this display shows the number 2.43: two ones, four tenths, and three hundredths. For example, if you decide that the flat is 1, then, because 10 rods make a flat, each rod is worth one tenth (0.1), and each bit is worth one hundredth (0.01). At this point the value 1 may be assigned to the flat or even to the large cube. When children are studying decimals, these materials and images are revisited. If the bit stands for 1, then this display represents the number 243: two hundreds (the flats), four tens (the rods), and three ones (the bits). And ten flats piled on top of one another create a large cube (not pictured here). On each sheet students match different representations of numbers. This is a set of 32 printable cut and paste activity sheets for 3 Digit Numbers.These fun, cut and paste worksheets are No Prep activities. Ten copies of the “rod” placed side to side exactly match the large square (generally called a “flat”). Includes base ten, expanded form, hundreds, tens and ones, number words, 100 more 100 less, 10 more 10 less and comparing numbers. Ten copies of the smallest block (variously named “a bit” or “a tiny cube”) lined up in a straight row exactly match one of the long rods (variously called called “a rod” or “a long”). The use of direct modeling with concrete manipulatives, such as base-10 blocks, allows students to develop conceptual understanding of mathematical operations. The word has no formal mathematical definition.Ī model for base 10 numeration. This is a school term, sometimes used in teaching math.
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