Question Video: Using a Number Line to Add within 100 including a Two-Digit Number and a Multiple of 10 | Nagwa Question Video: Using a Number Line to Add within 100 including a Two-Digit Number and a Multiple of 10 | Nagwa

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Question Video: Using a Number Line to Add within 100 including a Two-Digit Number and a Multiple of 10 Mathematics

Find 30 more than 49. Fill in the blank: 49 + 30 = ＿.

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Video Transcript

Find 30 more than 49. Fill in the blank. 49 add 30 equals what?

We need to work out the answer to 49 plus 30. 49 is one less than 50. And the answer is one less than 80. What number is one less than 80? One less than 80 is 79. 49 plus 30 equals 79. Another way to find the answer would be to count in tens from 49. 49, 59, 69, 79. 49 plus 30 equals 79.

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