Estimation With Mixed Numbers

a number made up of a whole number and a fraction

• greatest common factor (GCF)

• least common multiple (LCM)

• mixed number

• simplest form

A number represented by a whole number and a proper fraction.

• mixed numbers

• mixed operations

• mental arithmetic

• improper fraction

• 8

• 7

• 7.5

• 7.75

• 8

• 7

• 9

• 42

Estimate the sum.

• 1

• 2

• 3

• 4

Estimate the sum.

• 2

• 3

• 4

• 5

• A

• B

• C

• D

a number that is composed of a whole number and a fraction

• decimal number

• stemplot

• equation

• mixed number

A number that has a whole number part and a fraction part.

• prime number

• numerator

• mixed number

Lucas says his twin baby brothers have a total weight of 15 1/8 pounds. Jackson weighs 6 1/4 pounds, and Jeremy weighs 8 7/8 pounds.Explain how you can use estimation to tell if the total weight is reasonable.