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Estimating Fractions
Adding and Subtracting
Mixed Numbers
LCM
Equivalent
100
Estimate each sum. Use 0, 1/2, and 1. 5/16+5/8
What is 1.
100
2/5 - 1/10
What is 3/10?
100
2 5/6 + 1 1/3
What is 4 1/6?
100
LCM of 2 and 3
What is 6?
100
1/3 is equivalent to 4/12 Yes or No If No explain why?
What is yes.
200
Estimate each sum. Use 0, 1/2, and 1. 1/10 + 5/6
What is 1 1/2?
200
11/16 + 5/8
What is 1 5/16?
200
3 1/2 - 1 4/5
What is 1 7/10?
200
LCM of 6 and 15
What is 30
200
4/6 is equivalent to 2/3 Yes or No If No explain why?
What is yes.
300
Estimate each sum. Use 0, 1/2, and 1. 15/16 + 11/12
What is 2?
300
1/6 + 1/7
What is 13/42?
300
4 4/9 + 2 1/5
What is 6 29/45?
300
LCM of 6 and 8
What is 24?
300
2/5 is equivalent to 5/10 Yes or No If No explain why?
What is no 5/10 should be 4/10.
400
Estimate each sum. Use 0, 1/2, and 1. 1/12 + 9/10
What is 1?
400
2/3 - 3/7
What is 5/21?
400
6 5/6 - 2 1/4
What is 4 7/12?
400
LCM of 4 and 5
What is 20?
400
2/5 is equivalent to 1/3 Yes or No If No explain why?
What is no 2/5 should be 2/6 for them to be equivalent.
500
Estimate each sum. Use 0, 1/2, and 1. Sue needs 2 yds of molding to put around the bottom of a stand. She has 2 pieces of molding: one is 7/8 yd long and the other is 4/9 yd long. Estimate whether she has enough molding.
What is no she wouldn't have enough molding because the estimate would be 1 1/2 of molding.
500
A piece of fabric is 7/9 yd long. A piece of ribbon is 2/9 yd long. How many more yards of ribbon do you need to have equal lengths of fabric and ribbon?
What is 5/9?
500
At the tea shop 2 5/15 of the customers purchased green tea, 1 3/5 of the customers purchased jasmine tea, and 3 1/15 purchased herbal tea. How many customers did the tea shop have?
What is 7 customers?
500
LCM of 6 and 9
What is 18?
500
List 4 equivalent fractions of 2/3.
What is 4/6, 8/12, 16/24, 6/9, 18/27.......