starter Set 58 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, _] → [7, _, 5]

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Answer: Row2[2]=9, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [7,4,5]
Base
  • 7
  • 4
  • 5
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [8, 11] → [_, _, 9]

Show answer

Answer: Row3[2]=2, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [8,11]
  • [6,2,9]
Base
  • 6
  • 2
  • 9
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [18, _] → [8, 10, _]

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Answer: Row2[2]=20, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [18,20]
  • [8,10,10]
Base
  • 8
  • 10
  • 10
TopValue
38
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [10, 13] → [1, _, _]

Show answer

Answer: Row3[3]=4, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [1,9,4]
Base
  • 1
  • 9
  • 4
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":1,"v":9}