Grade 7Mathpractice16 questions

Powers, roots and integers

Grade 7: multiply and divide negative numbers, square numbers and square roots, cube numbers and cube roots, index notation, prime factor decomposition.

Play nowCopy and editPrintable flashcards and worksheet

Free to play. Teams answer on one screen; your phone is the remote. No student devices.

Questions

  1. What is (-6) × 4?

    • -10
    • -2
    • -24
    • 24
    Show answer-24

  2. What is (-36) ÷ (-9)?

    • -4
    • -45
    • 27
    • 4
    Show answer4

  3. A negative number multiplied by a negative number gives a positive number. (True or false?)

    Show answerTrue

  4. What is (-5) × (-3) × (-2)?

    • -10
    • -30
    • 10
    • 30
    Show answer-30

  5. What is the square root of 81?

    • 18
    • 40.5
    • 8
    • 9
    Show answer9

  6. The number 50 is a square number. (True or false?)

    Show answerFalse

  7. What is 12 squared? (Answer out loud)

    Show answer144

  8. What is the cube of 3?

    • 27
    • 6
    • 81
    • 9
    Show answer27

  9. What is the cube root of 125?

    • 15
    • 25
    • 4
    • 5
    Show answer5

  10. What is the cube root of 1000? (Answer out loud)

    Show answer10

  11. What is 2⁵ written as an ordinary number?

    • 10
    • 16
    • 25
    • 32
    Show answer32

  12. How do you write 7 × 7 × 7 × 7 using index notation?

    • 28
    • 4⁷
    • 7 × 4
    • 7⁴
    Show answer7⁴

  13. 3⁴ and 4³ have the same value. (True or false?)

    Show answerFalse

  14. Which shows 60 as a product of its prime factors?

    • 2 × 2 × 3 × 5
    • 2 × 3 × 10
    • 2 × 5 × 6
    • 4 × 3 × 5
    Show answer2 × 2 × 3 × 5

  15. Which number has prime factors 2 × 2 × 2 × 3 × 3? (Answer out loud)

    Show answer72

  16. Which number is NOT used in the prime factor decomposition of 30?

    • 2
    • 3
    • 5
    • 6
    Show answer6

Play it as a game

Paper RaceEvery right answer moves your car. The team in last place gets a double boost.Three in a RowAnswer right to place your team sticker on a 3×3 board. Three in a row scores +5 and starts a new round.Line of FourAnswer right to drop a disc in any column. Four of your discs in a line score +5.Team BingoEvery team has a bingo card of answers. Each answer is called after its question. Three in a row: BINGO +5.

More games like this

Grade 7practiceAlgebraic expressionsGrade 7: write an expression, substitute values, collect like terms, expand brackets.Grade 7practiceLinear equationsGrade 7: one-step equations, two-step equations, equations with brackets, word problems.Grade 7practiceSequences and the nth termGrade 7: term-to-term rule, next terms of a sequence, position-to-term rule, nth term of a linear sequence, is a number in the sequence?.Grade 7practicePercentage increase and decreaseGrade 7: increase by a percentage, decrease by a percentage, find a percentage of an amount, discounts and sales, one quantity as a percentage of another.Grade 7practiceAngles and trianglesGrade 7: angles on a line, angles in a triangle, types of triangles, vertically opposite angles.Grade 7practiceArea of triangles and quadrilateralsGrade 7: area of a triangle = half base x height, area of a parallelogram, area of a trapezium, area of compound shapes, units of area (cm squared, m squared).