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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Lower Elementary Science
1.9 Time, Money, and Estimating

Method:
  1. 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.
  2. 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.
Example:
Which would be the best estimate for 108 + 32 = ?
Answer: 110 + 30

Directions: Answer the following questions. Also write at least ten examples of your own.
Q 1: Which would be the best estimate for 109 + 38 = ?
130+50
130+50
110+40

Q 2: The first grade has 11 girls and 9 boys. Two girls were absent on Monday? How many children were present on Monday?
22
20
18

Q 3: The game started at 3. We are 15 minutes late. What time did we arrive.
5:00
4:15
3:15

Q 4: Which would be the best estimate for 77 + 32= ?
80 + 40
80 + 30
70 + 40

Q 5: The month that Thanksgiving is celebrated in the U.S. is
November
January
July
October

Q 6: A shelf of the bookcase holds 8 books. It has 3 shelves. How many books will the bookcase hold?
24
16
8

Q 7: How often do you celebrate your birthday?
Once a week
Once a year
Once a month

Q 8: James got $7 from his Mom for his birthday and $5 from his grandmother. How much does he have?
$7
$7 x $5 =
$7 + $5 =

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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