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Math is more than numbers - it's about patterns, logic, and a little bit of creative play. This collection of arithmetic and bracket puzzles is designed to challenge young minds while keeping problem solving fun and engaging.
From inserting the right operations between digits to rearranging numbers with clever use of brackets and basic arithmetic, these puzzles promote flexible thinking, mental calculation, and deeper mathematical understanding.
1. Insert the missing operation signs “+” or “–” so that the equation becomes correct:
a) 5 4 3 2 1 = 3
b) 5 4 3 2 1 = 5
2. Insert missing “+” signs between some digits so that the equation becomes correct:
1 2 3 4 5 6 7 = 100
3. Place arithmetic operation signs and, if needed, brackets so that the equation becomes correct:
1 2 3 4 5 6 7 8 = 9
4. Between the numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9, written in the given order, insert addition and multiplication signs so that the resulting expression equals 100
(Brackets may not be used. Between any two neighbouring digits there must be a “+” or “×” sign.)
5. Insert arithmetic signs so that the equation is correct:
8 4 9 = 18
6. Fill each square with the same digit so that the equation is correct:
7. Using the digit 7 exactly four times, along with operation signs and brackets, represent all integers from 0 to 10.
8. In the expression
1 * 2 * 4 * 8 * 16 * 32 * 64 = 27
replace the “*” signs with “+” or “–” so that the equation becomes correct.
