CCSS - 4.NF(7) and 5.NBT(3b)
"Compare These..." is a series of nine student puzzle books each comprised of one hundred sixty five inequality puzzles. They serve to promote number sense, logical and mathematical reasoning, and communication skills essential to every student’s mathematics education.
While similar to the entertaining and popular inequality puzzles known as Futoshiki, Compare These puzzles have the added advantage of not being restricted to comparing whole numbers 1, 2, 3, ..., n, in which n denotes a puzzle’s dimension. This allows for the use of such inequality puzzles at various grade levels in which different number representations are being learned and through which relevant number comparisons are made.
Volume 7 has students comparing decimals (decimal fractions) to tenths, hundredths, and even thousandths. The 165 inequality puzzles are comprised of 35 that are 3 x 3 in size, 120 that are 4 x 4 in size, and 10 that are 5 x 5.
This product contains the puzzles and their solutions. Also included is a table listing the values being compared in each puzzle as well as the number of given values and the number of given inequalities in each puzzle. In that this volume requires students to solve puzzles that are larger than 3 x 3 in size, the book also includes the candidates associated with each cell of each puzzle and a (possible) sequence of steps that could be used to solve each puzzle by using these candidates.
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Keywords/Phrases: Decimals, Ordering Decimals, Comparing Decimals, Decimal Comparisons, Number Puzzles, Decimal Puzzles, Ordering and Comparing Decimals, Comparing Numbers, Number Comparisons