Puzzle 1: Number Analogies. 7 becomes 15, 19 becomes 27, so 42 becomes ____
Number Analogies
Find the rule that turns the first number into the second, then use it again.
Grade 4Warm-up
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Thinking with numbers · grade 4
Puzzle 1. Number Analogies. 7 becomes 15, 19 becomes 27, so 42 becomes ____