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Grade 1 - Mathematics
6.3 Time, Money, and Estimating
Look at the number. If the last digit or the units digit is 5 or more than 5 we add 1 to the number in the tens place and make the units digit 0.
If the last digit or the units digit is less than 5 then make the units digit 0 and keep the tens digit as it is.
Which would be the best estimate for 108 + 32 = ?
Answer: 110 + 30
Answer the following questions. Also write at least ten examples of your own.
: The first grade has 11 girls and 9 boys. Two girls were absent on Monday? How many children were present on Monday?
: A shelf of the bookcase holds 8 books. It has 3 shelves. How many books will the bookcase hold?
: Which would be the best estimate for 109 + 38 = ?
: In which month does New Year begin?
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Question 6: This question is available to subscribers only!
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