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letters for numbers

Mathematics {JSS1}: Use of Symbols – Letters for Numbers

JSS 1 Mathematics First Term Week 5 Topic: USE OF SYMBOLS 1: LETTERS FOR NUMBERS Open sentences 14 + □ = 17. What number in the box will make this true? You may have seen problems like this before. 14 + □ = 17 will be true if 3 goes in the box: 14 + [...]