starter Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 12] → [2, 3, _]

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Answer: Row1[1]=17, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [5,12]
  • [2,3,9]
Base
  • 2
  • 3
  • 9
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, _] → [_, 3, 7]

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Answer: Row2[2]=10, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [9,3,7]
Base
  • 9
  • 3
  • 7
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"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): [11] → [_, 4] → [6, _, 3]

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Answer: Row3[2]=1, Row2[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [7,4]
  • [6,1,3]
Base
  • 6
  • 1
  • 3
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, _] → [_, 6, 5]

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Answer: Row3[1]=4, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [4,6,5]
Base
  • 4
  • 6
  • 5
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":1,"v":11}