The Primary Quiz Puzzle Archive contains over 200 puzzles and activities to challenge your pupils every day. We'll share a different puzzle from our archive here every week.
A New Year Resolution
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Primary Quiz - Puzzle of the Week
Last Week's Solution
Solution
The builder used twenty 7s altogether. (7, 17, 27, 37, 47, 57, 67, 77, 87 and 97 = eleven 7's; 70, 71, 72, 73, 74, 75, 76, 78 and 79) = nine 7's