The missing number is 1,620. The digits in the tens places (green in the figure below) of the numbers in columns 1, 2, 4 and 5 are added together. The total value is represented by the digits in the ...
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Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...
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Find the missing number puzzles serve as an invaluable tool for enhancing the cognitive abilities of students and school-going kids. These puzzles require critical thinking, problem-solving skills, ...
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