Valentine’s Day Fact Families Worksheet
The Valentine’s Day Fact Families Worksheet gives 2nd grade students three number triangles with a missing number and four facts to finish, building addition and subtraction fluency together. Answer key included.
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About this resource
Description
The Valentine’s Day Fact Families Worksheet turns a holiday theme into real number sense. A fact family is a set of three numbers that make up two addition facts and two subtraction facts, and once a child sees that 14, 23 and 37 belong together, addition and subtraction stop being two separate subjects. This valentine’s day fact families worksheet gives students three families to work through, each one shown as a number triangle with one number missing.
Each card works the same way. The triangle holds the two parts at the bottom corners and the whole at the top, and one of those three numbers has been left blank. The student finds the missing number first, then writes it into the four facts beside the triangle. The families use two-digit numbers within fifty, which is squarely second-grade addition and subtraction, and every answer box is sized for a two-digit answer written by hand.
What’s Included
- Three fact-family cards, each with a number triangle and four facts to complete
- A different missing number on every card, so no card can be solved by copying the last one
- Fifteen answers in all: three missing numbers and twelve completed facts
- Two-digit addition and subtraction within fifty, at the second-grade level
- A complete answer key that mirrors the worksheet exactly
- A printable PDF that works on screen or on paper
Three Reasons This Helps Kids
- It links addition and subtraction. Writing all four facts from one triangle shows a child that subtraction undoes addition, which is the idea behind every missing-addend problem they will meet later.
- It builds fact fluency without drill. Four facts from one family means four times the practice from a single set of numbers, and the pattern makes the fourth fact easier than the first.
- It makes the missing number the point. Because the blank moves around the triangle, students have to decide whether to add or subtract instead of repeating one move down the page.
Ideas for Teachers and Parents
- Cover the top number of a triangle and ask what two ways there are to find it.
- Have students read all four facts aloud as a family before they write anything.
- Use this 2nd grade addition and subtraction worksheet as a warm-up, then have students build a fourth family of their own.
- Give partners one triangle each, then trade papers and check each other’s four facts.
- Send it home in February as light holiday practice that still teaches something.
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