starter Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [11, _] → [2, 9, _]

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Answer: Row3[3]=2, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [2,9,2]
Base
  • 2
  • 9
  • 2
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 19] → [5, 10, 9]

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Answer: Row1[1]=34, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [15,19]
  • [5,10,9]
Base
  • 5
  • 10
  • 9
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, _] → [3, 7, 7]

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Answer: Row2[1]=10, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [10,14]
  • [3,7,7]
Base
  • 3
  • 7
  • 7
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [10, 14] → [_, 9, _]

Show answer

Answer: Row3[3]=5, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [10,14]
  • [1,9,5]
Base
  • 1
  • 9
  • 5
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":1}