Classwork Exercise and Series (Mathematics – JSS1): Use of Symbols; Letters for number
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 + 3 = 17 is true, We say 14 + □ = 17 is an open […]
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