Quizzes › Maths

Mental Math

Quick sums for kids aged 7 to 10: adding and taking away within 100, doubles and halves, and a few easy times and shares.

40 questionsMultiple choiceEnglish

Plays on your class screen as Question Tiles. No account needed.

The questions

  1. 1

    What is 6 + 7?

    • 12
    • 13
    • 14
    • 15

    Answer: 13

  2. 2

    What is 9 + 5?

    • 13
    • 14
    • 15
    • 16

    Answer: 14

  3. 3

    What is 15 − 7?

    • 6
    • 7
    • 8
    • 9

    Answer: 8

  4. 4

    What is double 8?

    • 14
    • 15
    • 16
    • 18

    Answer: 16

  5. 5

    What is 12 + 8?

    • 18
    • 19
    • 20
    • 21

    Answer: 20

  6. 6

    What is 20 + 40?

    • 50
    • 60
    • 70
    • 80

    Answer: 60

  7. 7

    What is 18 − 9?

    • 10
    • 11
    • 8
    • 9

    Answer: 9

  8. 8

    What is half of 20?

    • 10
    • 12
    • 40
    • 8

    Answer: 10

  9. 9

    What is 2 × 9?

    • 11
    • 16
    • 18
    • 20

    Answer: 18

  10. 10

    What is 70 − 30?

    • 30
    • 40
    • 45
    • 50

    Answer: 40

  11. 11

    What is 36 + 10?

    • 45
    • 46
    • 47
    • 56

    Answer: 46

  12. 12

    What is double 15?

    • 20
    • 25
    • 30
    • 35

    Answer: 30

  13. 13

    What is 47 + 8?

    • 54
    • 55
    • 56
    • 65

    Answer: 55

  14. 14

    What is 63 − 10?

    • 43
    • 52
    • 53
    • 54

    Answer: 53

  15. 15

    What is 3 × 4?

    • 12
    • 14
    • 16
    • 7

    Answer: 12

  16. 16

    What is half of 50?

    • 15
    • 20
    • 25
    • 30

    Answer: 25

  17. 17

    What is 25 + 25?

    • 40
    • 45
    • 50
    • 55

    Answer: 50

  18. 18

    What is 34 + 25?

    • 49
    • 58
    • 59
    • 69

    Answer: 59

  19. 19

    What is 52 − 7?

    • 44
    • 45
    • 46
    • 55

    Answer: 45

  20. 20

    What is 10 × 9?

    • 100
    • 19
    • 80
    • 90

    Answer: 90

  21. 21

    What is 78 − 30?

    • 38
    • 45
    • 48
    • 58

    Answer: 48

  22. 22

    What is 20 ÷ 4?

    • 16
    • 4
    • 5
    • 6

    Answer: 5

  23. 23

    What is 45 + 9?

    • 53
    • 54
    • 55
    • 64

    Answer: 54

  24. 24

    What is double 35?

    • 60
    • 65
    • 70
    • 75

    Answer: 70

  25. 25

    What is 5 × 7?

    • 30
    • 35
    • 36
    • 40

    Answer: 35

  26. 26

    What is 64 + 18?

    • 72
    • 81
    • 82
    • 83

    Answer: 82

  27. 27

    What is 24 ÷ 4?

    • 4
    • 5
    • 6
    • 8

    Answer: 6

  28. 28

    What is 91 − 15?

    • 74
    • 76
    • 84
    • 86

    Answer: 76

  29. 29

    What is half of 64?

    • 30
    • 32
    • 34
    • 42

    Answer: 32

  30. 30

    What is 6 × 4?

    • 10
    • 20
    • 24
    • 28

    Answer: 24

  31. 31

    What is 38 + 27?

    • 55
    • 64
    • 65
    • 66

    Answer: 65

  32. 32

    What is 83 − 26?

    • 53
    • 57
    • 63
    • 67

    Answer: 57

  33. 33

    What is double 26?

    • 42
    • 50
    • 52
    • 62

    Answer: 52

  34. 34

    What is 21 ÷ 3?

    • 6
    • 7
    • 8
    • 9

    Answer: 7

  35. 35

    What is 56 + 29?

    • 75
    • 84
    • 85
    • 95

    Answer: 85

  36. 36

    What is 100 − 37?

    • 53
    • 63
    • 67
    • 73

    Answer: 63

  37. 37

    What is 9 × 3?

    • 24
    • 26
    • 27
    • 30

    Answer: 27

  38. 38

    What is half of 58?

    • 24
    • 28
    • 29
    • 31

    Answer: 29

  39. 39

    What is 72 − 49?

    • 23
    • 27
    • 33
    • 37

    Answer: 23

  40. 40

    What is 67 + 26?

    • 83
    • 92
    • 93
    • 94

    Answer: 93