Mental Math: 10 More / 10 Less
Grade One · Lesson 13 · 3:07 · Animated lesson with English narration
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Transcript
ten. Twenty. Thirty. Forty. Forty-five. Add ten. ten. Twenty. Thirty. Forty. Fifty. Fifty-five. ten. Twenty. Thirty. Forty. Forty-five. Subtract ten. ten. Twenty. Thirty. Thirty-five. ten. Twenty.
Thirty. Thirty-eight. Add ten. ten. Twenty. Thirty. Forty. Forty-eight. ten. Twenty. Thirty. Thirty-eight. Subtract ten. ten. Twenty. Twenty-eight. ten. Twenty. Thirty. Forty. Fifty. Fifty-two.
Add ten. ten. Twenty. Thirty. Forty. Fifty. Sixty. Sixty-two. ten. Twenty. Thirty. Forty. Fifty. Fifty-two. Subtract ten. ten. Twenty. Thirty. Forty. Forty-two.
Transcript generated from the lesson narration.
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