starter Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 8] → [10, 5, _]

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Answer: Row1[1]=23, Row3[3]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [15,8]
  • [10,5,3]
Base
  • 10
  • 5
  • 3
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [19, _] → [9, _, 7]

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Answer: Row3[2]=10, Row2[2]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [19,17]
  • [9,10,7]
Base
  • 9
  • 10
  • 7
TopValue
36
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, _] → [7, 1, 4]

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Answer: Row2[2]=5, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [7,1,4]
Base
  • 7
  • 1
  • 4
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":1,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, _] → [_, 3, 8]

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Answer: Row2[2]=11, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [7,3,8]
Base
  • 7
  • 3
  • 8
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":0,"v":7}