This grade 1 halves worksheet answer key solves all 23 problems of the halves and fourths worksheet step by step.
Here are the full answers for the halves and fourths worksheet. Each answer shows the steps and the final answer in bold. Read each step with the student, and use the pictures to check the equal shares.
Grade 1 Halves Worksheet Answer Key: problems 1–5
Problem 1: Count the equal shares
The line cuts the rectangle into 2 pieces that match.
There are 2 equal shares.
Problem 2: Which shapes show halves?
A is cut into 2 equal shares. C is cut into 2 equal shares. B has one share bigger than the other.
Halves: A and C.
Problem 3: Name the share
2 equal shares are halves.
Each share is a half.
Problem 4: Which shapes show fourths?
A has 4 equal shares. C has 4 equal shares. B has 4 shares, but they are different sizes.
Fourths: A and C.
Problem 5: Two names for a fourth
A fourth is the same as a quarter.
Another name: quarter.
Grade 1 Halves Worksheet Answer Key: problems 6–10
Problem 6: Shade one half
The circle has 2 equal shares. Half means 1 of the 2 shares. Color one share.
Problem 7: Shade one quarter
The rectangle has 4 equal shares. A quarter is 1 of the 4 shares. Color one share.
Problem 8: How many are shaded?
Colored: 3 fourths. Not colored: 1 fourth. Check: \(3 + 1 = 4\).
3 fourths are colored and 1 fourth is not.
Problem 9: Two halves
A whole cut in halves has 2 shares. \(1 + 1 = 2\).
2 halves make 1 whole.
Problem 10: Four fourths
A whole cut in fourths has 4 shares. \(1 + 1 + 1 + 1 = 4\).
4 fourths make 1 whole.
Grade 1 Halves Worksheet Answer Key: problems 11–15
Problem 11: Two ways to cut
In A, the 2 shares match. In B, the 2 shares match too.
Yes. Both rectangles show halves, even though the cuts look different.
Problem 12: Is it a half?
The 2 parts are not the same size. The colored part is smaller.
No. Half needs 2 equal shares.
Problem 13: Halves or fourths: which is smaller?
Circle B has 4 shares, so each share is smaller. Circle A has only 2 shares, so each share is bigger.
The smaller share is in circle B.
Problem 14: Cut into fourths
The square has 4 parts and all 4 are the same size.
Yes, it is cut into fourths.
Problem 15: Unequal pieces
The circle has 4 parts, but they are not all the same size.
No. Fourths must be equal shares.
Grade 1 Halves Worksheet Answer Key: problems 16–20
Problem 16: Shade two fourths
Color any 2 shares.
\(4 – 2 = 2\). 2 fourths are not shaded.
Problem 17: Sandwich halves
She starts with 2 halves. She eats 1. \(2 – 1 = 1\).
1 half is left.
Problem 18: Pizza slices
The pizza has 4 fourths. Jamal eats 1. \(4 – 1 = 3\).
3 fourths are left.
Problem 19: Share a cracker
2 friends need 2 equal shares.
2 shares. Each share is a half.
Problem 20: Four friends
4 friends need 4 equal shares.
4 shares. Each share is a fourth (a quarter).
Grade 1 Halves Worksheet Answer Key: problems 21–23
Problem 21: Whose share is bigger?
Halves are 2 shares. Fourths are 4 shares. More shares means smaller shares.
Aisha has the bigger share.
Problem 22: Eat the whole pizza
\(2 + 2 = 4\). They ate 4 fourths together.
4 fourths make the whole pizza. No pizza is left.
Problem 23: The flag
\(4 – 3 = 1\) part is not red.
One of 4 equal parts is a quarter. 1 part, a quarter.
How to use this grade 1 halves worksheet answer key
Read this grade 1 halves worksheet answer key after trying each problem yourself, and redo any problem you missed.
See every chapter on the Grade 1 math page.