Mathovore, everything you need to succeed in math: Common Core lessons, worksheets, tests and quizzes
Skip to content

2D and 3D Shapes: Grade 1 Math Test Answer Key – PDF Download

    2D and 3D Shapes – Grade 1 math test answer key

    This grade 1 shapes test answer key gives the full solution and the scoring guide for each of the 8 test questions on 2d and 3d shapes.

    This answer key gives the worked answer and the scoring guide for each question. The test is worth 20 points. Give partial credit as the scoring notes say, and check shape names first.

    Grade 1Common Core: 1.G.A.1 · 1.G.A.2

    Grade 1 Shapes Test Answer Key: questions 1–5

    Question 1: Name the shapes (2 points)

    (a) Rectangle.

    (b) Circle.

    Scoring: 1 point for each correct name.

    Question 2: Sides and corners (3 points)

    (a) 3.

    (b) 4.

    (c) 0. A circle is round.

    123
    The sides of the triangle are numbered.

    Scoring: 1 point for each correct number.

    Question 3: Is it a triangle (3 points)

    (a) A and C. C is turned upside down, but it still has 3 sides and 3 corners.

    (b) Shape B has a gap. It is not closed.

    (a) A and C. (b) It is open, not closed.

    Scoring: (a) 1 point for each correct letter, and 1 point is lost for a wrong letter. (b) 1 point for saying the shape is open or has a gap.

    Question 4: Name the solids (2 points)

    A is a cube. B is a cylinder. C is a cone.

    Scoring: 2 points for all three names. 1 point for two correct names.

    Question 5: Same shape or not (3 points)

    (a) Yes. Color does not matter.

    (b) Yes. Size does not matter.

    (c) A triangle has 3 straight sides (or 3 corners, or is closed).

    Scoring: 1 point for each part. In (c) accept 3 sides, 3 corners, or closed. Do not accept color or size.

    Grade 1 Shapes Test Answer Key: questions 6–8

    Question 6: Putting shapes together (2 points)

    (a) A rectangle.

    (b) A circle.

    +2 squares=1 rectangle
    Two squares make a rectangle.

    Scoring: 1 point for each correct name.

    Question 7: Cube towers (2 points)

    \(4 + 3 = 7\)

    There are 7 cubes.

    7 cubes

    Scoring: 1 point for adding 4 and 3, 1 point for the answer 7.

    Question 8: Priya's shapes (3 points)

    (a) \(5 + 4 = 9\). 9 shapes.

    (b) \(5 – 4 = 1\). 1 more.

    (c) Count by twos: 2, 4. That is 2 pairs. 2 squares.

    Scoring: 1 point for each correct answer.

    Scoring summary

    Total

    20 points: add the points of every question of this grade 1 shapes test answer key.

    How to use this grade 1 shapes test answer key

    Use this grade 1 shapes test answer key to score the test fairly and to see which skills need more practice.

    Next step after this grade 1 shapes test answer key: 2D and 3D Shapes quiz

    See every chapter on the Grade 1 math page.

    Voter... post

    More Grade 1 math

    Counting to 120

    Tens and Ones

    Addition Within 20

    Subtraction Within 20

    The Equal Sign and Word Problems

    Telling Time to the Hour and Half Hour