starter Set 36 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 14] → [_, 5, 9]

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Answer: Row2[1]=11, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [11,14]
  • [6,5,9]
Base
  • 6
  • 5
  • 9
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"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): [18] → [13, _] → [_, 4, 1]

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Answer: Row2[2]=5, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [13,5]
  • [9,4,1]
Base
  • 9
  • 4
  • 1
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [10, 17] → [_, _, 8]

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Answer: Row3[1]=1, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [10,17]
  • [1,9,8]
Base
  • 1
  • 9
  • 8
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 9] → [_, 4, 5]

Show answer

Answer: Row3[1]=7, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [7,4,5]
Base
  • 7
  • 4
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":11}