How Many Parts Make a Whole? is a free printable Grade 2 math worksheet on a whole as halves, thirds or fourths, and counting past one whole, aligned to Common Core standard 2.G.A.3. It prints 9 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 18 of 25 · the same problems every time you open this link.

One paper per student

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

How Many Parts Make a Whole?

2.G.A.3

NameDate

Fill in the missing number.

1.4 fourths = ___ whole

2.One whole and one more fourth is ___ fourths.

3.3 halves is one whole and ___ more half.

4.4 thirds is one whole and ___ more third.

5.3 thirds = ___ whole

6.8 fourths = ___ wholes

7.How many thirds make one whole?

8.6 thirds = ___ wholes

9.5 fourths is one whole and ___ more fourth.

LessonPrint · 2.G.A.3 · Set 18 · free to copy for classroom use

Answer key — How Many Parts Make a Whole?

Set 18. Prints on its own sheet.

Last reviewed 2026-09-05. Aligned to 2.G.A.3 of the Common Core State Standards for Mathematics.