Gr7-Large numbers
Gr7-Large numbers
Learning objective
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Lesson duration is: 10 minItems in this lesson
Gr7-Large numbers
Learning objective
Roxie and Estu are estimating the values of simple expressions.
1.4,63,128 + 4,19,682,
Roxie: “The sum is near 8,00,000 and is more than 8,00,000.”
Estu: “The sum is near 9,00,000 and is less than 9,00,000.”
(a) Are these estimates correct? Whose estimate is closer to the sum?
(b) Will the sum be greater than 8,50,000 or less than 8,50,000? Why do you think so?
(c) Will the sum be greater than 8,83,128 or less than 8,83,128? Why do you think so?
(d) Exact value of 4,63,128 + 4,19,682 = ___________
