CCSS - 6.NS(7)
"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.
The 165 puzzles contained in Volume 9 "Compare These Integers" are comprised of
*comparing integers from -5 through 5 (ten 3 x 3)
*comparing integers from -10 through 10 (ten 3 x 3)
*comparing integers from -20 through 20 (twenty 4 x 4)
*comparing integers from -50 through 50 (twenty each of 4 x 4 and 5 x 5 and ten 6 x 6)
*comparing signed decimals between -10 and 10 (ten each of 4 x 4, 5 x 5, and 6 x 6)
*comparing signed mixed numbers between -10 and 10 (ten each of 4 x 4, 5 x 5, and 6 x 6)
*comparing assorted signed rational numbers (five each of 4 x 4, 5 x 5, and 6 x 6)
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. 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: Comparing integers, integer comparisons, greater than, less than, ordering and comparing integers, integer puzzles