Ages 6–7🧮 Mathematics16 verified questions on this shelf
Finding a missing number in addition
Understand subtraction as finding an unknown addend (e.g. 10 − 8 = ? is the same as 8 + ? = 10)
Try three questions
Tap an answer to check it. Every question and explanation was checked by independent verifiers that must agree.
Question 1 of 3
What number do you add to 8 to get 10?
Question 2 of 3
What number should be placed in the box to make the equation □ + 6 = 13 true?
Question 3 of 3
What number must be added to 8 to make 10?
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