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Details for problem "Magic triangle sums"

Quickname: 1655

Suitable for grades: Grade 3, Grade 4, Grade 5, Grade 6, Grade 7, Grade 8

Summary

In a magic triangle, six numbers have to be filled in correctly.

Examples


Description

A magic triangle is shown. The triangle consists of six boxes that form the three vertices and the three edges. Across each edge, a number is indicated. Numbers have to be filled in in a way that the sum of the boxes along each edge matches the number indicated.

The numbers are whole numbers and can be selected to be positive, negative or both. The number of decimal places can be chosen.

Some boxes may be already filled with the correct numbers. There are multiple options on which of the boxes are already filled in. As a further aid, a sorted list with the numbers to be filled in can be provided with the problem.

The number of problems can be selected.

Topics: Arithmetic, Basic-Arith, Puzzles, Rational N, Whole Nmb

Tags: Addition, Subtraction

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Customization options for this problem

ParameterPossible values
Number of problems1, 2, 3, 4, 5, 6
Number range20, 30, 40, 50, 100, 200, 500, 1000, 10000, 100000
Decimal places0, 1, 2, 3
Positive/Negativemixed, positive, negative
Numbers already filledYes, No
Numbers to be used givenone, outer ones, inner ones, two in a row, three in a corner, none



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