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Math Grade K-1 Answer Key

Measuring with Cubes and Blocks

Use equal-size cubes to measure length

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Measuring with Cubes and Blocks

Use equal-size cubes to measure length

Math - Grade K-1

Instructions: Read each problem carefully. Use cubes or blocks if you have them. Count each cube one time and write your answer.
  1. 1

    A pencil is the same length as 6 cubes. How long is the pencil?

    The number of cubes tells the length.

    The pencil is 6 cubes long.
  2. 2

    A crayon is 4 cubes long. A marker is 7 cubes long. Which object is longer?

    The marker is longer because 7 cubes is more than 4 cubes.
  3. 3

    Count the cubes. A toy car is lined up with 5 cubes. How long is the toy car?

    Count each cube that touches the length of the car.

    The toy car is 5 cubes long.
  4. 4

    A book is 8 blocks long. A spoon is 5 blocks long. Which object is shorter?

    The spoon is shorter because 5 blocks is less than 8 blocks.
  5. 5

    Mia measured her shoe with cubes. She used 9 cubes. Write the length of Mia's shoe.

    Mia's shoe is 9 cubes long.
  6. 6

    Look at the row of cubes. There are 3 red cubes and 2 blue cubes. How many cubes are in the row altogether?

    Add the red cubes and blue cubes together.

    There are 5 cubes in the row altogether.
  7. 7

    A glue stick is 6 cubes long. An eraser is 3 cubes long. How many more cubes long is the glue stick than the eraser?

    Count up from 3 to 6.

    The glue stick is 3 more cubes long than the eraser.
  8. 8

    Sam measured a picture with blocks. The picture is 10 blocks long. Circle the number that shows the length: 7, 10, or 12.

    The correct number is 10 because the picture is 10 blocks long.
  9. 9

    A ribbon is lined up with cubes. The ribbon starts at the first cube and ends at the seventh cube. How long is the ribbon?

    Count all the cubes from the start to the end.

    The ribbon is 7 cubes long.
  10. 10

    A block tower has 4 blocks. Another tower has 6 blocks. Which tower is taller?

    The tower with 6 blocks is taller because it has more blocks.
  11. 11

    Draw a line of cubes that is 5 cubes long. Then write how many cubes you drew.

    Make the cubes touch with no spaces between them.

    The line should have 5 cubes. The student should write that they drew 5 cubes.
  12. 12

    A toy train is 8 cubes long. A toy boat is 8 cubes long. Are they the same length or different lengths?

    They are the same length because both toys are 8 cubes long.
  13. 13

    Which measurement is longer: 2 blocks or 9 blocks?

    The bigger number shows the longer length.

    9 blocks is longer because 9 is more than 2.
  14. 14

    A leaf is measured with 4 cubes, but there is a space between two cubes. Is this a good way to measure? Explain.

    Cubes should be lined up end to end.

    This is not a good way to measure because the cubes should touch with no spaces.
  15. 15

    A paper strip is 6 cubes long. You add 2 more cubes to the row. How many cubes long is the row now?

    The row is now 8 cubes long because 6 cubes plus 2 cubes equals 8 cubes.
LivePhysics™.com Math - Grade K-1 - Answer Key