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Number Bonds of 20


Number Bonds of 20: How many more to make 20? Find the missing number that makes 20 with the given number.

Learn the pairs of numbers or the addends which make 20. These online worksheets are for learning basic addition number bonds and check speed and accuracy of basic adding skills. Hit the ‘Check Your Answers’ button at the end to correct each answer of your making 20 addition practice. Enjoy learning the number bonds of 20!

{ "Questions": [{ "qnumber": "1", "var1": "1", "var2": "19", "operator": "+", "answer": "20", "template": "IVA" }, { "qnumber": "2", "var1": "2", "var2": "18", "operator": "+", "answer": "20", "template": "IVA" }, { "qnumber": "3", "var1": "3", "var2": "17", "operator": "+", "answer": "20", "template": "VIA" }, { "qnumber": "4", "var1": "4", "var2": "16", "operator": "+", "answer": "20", "template": "VIA" }, { "qnumber": "5", "var1": "5", "var2": "15", "operator": "+", "answer": "20", "template": "IVA" }, { "qnumber": "6", "var1": "6", "var2": "14", "operator": "+", "answer": "20", "template": "IVA" }, { "qnumber": "7", "var1": "7", "var2": "13", "operator": "+", "answer": "20", "template": "VIA" }, { "qnumber": "8", "var1": "8", "var2": "12", "operator": "+", "answer": "20", "template": "VIA" }, { "qnumber": "9", "var1": "9", "var2": "11", "operator": "+", "answer": "20", "template": "IVA" }, { "qnumber": "10", "var1": "10", "var2": "10", "operator": "+", "answer": "20", "template": "IVA" }] }