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Grade 8 Variables & Data Types Worksheet with Answers

Grade 8 (US) · Year 9 (UK) · Class 8 (India) · Computer Science

Unit 2: ProgrammingVariables & Data TypesCSTA 2-AP-11

Recognising integers, floats, strings and Booleans, and how operators behave on each. This free middle school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Variables & Data Types

Grade 8 · Computer Science

Score___ / 12

Name

Class

Date

Learning goal: Variables & Data Types · CSTA 2-AP-11

Directions: Read each question and circle the best answer.

Example

What data type is the value 884: integer, float, string, or Boolean?

Answer: integer

RememberData types

integerwhole number42floatdecimal number3.5stringtext in quotes"hello"BooleanTrue or False
  1. 1

    What data type is the value True: integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  2. 2

    What data type is the value 333: integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  3. 3

    What data type is the value 45.4: integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  4. 4

    What data type is the value "True": integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  5. 5

    What data type is the value 951: integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  6. 6

    What data type is the value 18.5: integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  7. 7

    What data type is the value "cat": integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  8. 8

    What data type is the value "42": integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  9. 9

    What data type is the value 568: integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  10. 10

    What data type is the value "hello": integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  11. 11

    What data type is the value 577: integer, float, string, or Boolean?

    IntegerFloatStringBoolean
  12. 12

    What data type is the value 43.9: integer, float, string, or Boolean?

    IntegerFloatStringBoolean

★ Challenge corner for fast finishers

How many different patterns can 4 bits make?

8421

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/computer/8/data_types

Answer key (click to show)
  1. 1.Boolean
  2. 2.integer
  3. 3.float
  4. 4.string
  5. 5.integer
  6. 6.float
  7. 7.string
  8. 8.string
  9. 9.integer
  10. 10.string
  11. 11.integer
  12. 12.float
  13. ★16 (challenge corner)

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