Each page starts with a strip of rule ideas. Students follow four clues, such as "Start at 80. Make a division pattern", to build patterns of five numbers, and write the rule they used; the last clue is their own choice. At the bottom is a Mystery Pattern Challenge card: they invent a pattern, write only three of its numbers, and trade with a classmate who finds the missing two and the rule. Answers vary, so the keys show a sample for each.
Model one clue on the board, showing that more than one rule can fit. Then let students trade mystery cards with a partner and solve each other’s patterns.
Let your child pick the rules, then check the pattern together by testing every jump. Take turns making mystery patterns for each other.
This pack supports the following Common Core State Standards for Mathematics:
© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.
Four third grade worksheets where students build their own number patterns. They follow clues to make adding, subtracting, multiplying, and dividing patterns, write each rule, and invent a mystery pattern for a classmate to solve. Includes color and black-and-white versions and sample answer keys.
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