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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 3 - Mathematics
5.3 Kinds of Subtraction

There are four kinds of subtraction:
  • Compare
  • Additive
  • Subset
  • Take away
Compare: Comparing two quantities.
Example: Ages of two people

Additive: Comparing two quantities and addition performed to equate smaller quantity to the larger quantity.
Example: Number of days to be added to a week to reach 30 days.

Subset: A part of the whole quantity.
Example: Number of red balls from a basket containing many balls.

Take away: Finding the difference between the whole and the subset.
Example: Subtracting the number of Sundays from a month.


Directions: Write the kind of subtraction in each case. Also write at least five examples of your own for each kind.
Q 1: Mrs. Coccia is 99 years old and Mrs. Ventura is 108 years old. How much older than Mrs. Coccia is Mrs. Ventura? Name the type of subtraction.
Take away
Subset
Additive
Compare

Q 2: Kelsey and Ellen dropped 4 pieces of food into the crayfish bowl. Sandy ate 2. How many are left? Name the type of subtraction.
Additive
Subset
Take away
Compare

Q 3: We need to read 60 hours to earn a pizza party. So far we have read 23 hours. How many hours do we still need to read? Name the type of subtraction.
Take away
Subset
Additive
Compare

Q 4: We ordered 12 crayfish and 4 died. How many are left? Name the type of subtraction.
Compare
Additive
Subset
Take away

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Question 6: This question is available to subscribers only!


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