6. Addition and Subtraction up to 99

Click the correct answer (True & False).

Addition on a number line means counting forward.

True

False

Click the correct answer.

There are 35 fish in a river. 11 more join them. How many fish are there in all?

44

46

47

56

Click each box on the left and also click on the matching box of the right.

Match the given addition and subtraction problems with their answers.

17 + 12

31 + 10

79 – 25

80 + 15

84 – 31

twenty-nine

forty-one

fifty-four

ninety-five

fifty-three

Click the correct answer.
The sum of 72 and 5 is .

79

76

77

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