starter Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [12, 6] → [_, _, 1]

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Answer: Row3[2]=5, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [12,6]
  • [7,5,1]
Base
  • 7
  • 5
  • 1
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"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): [23] → [13, 10] → [9, _, _]

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Answer: Row3[3]=6, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [9,4,6]
Base
  • 9
  • 4
  • 6
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"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): [28] → [_, _] → [1, 10, 7]

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Answer: Row2[1]=11, Row2[2]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [11,17]
  • [1,10,7]
Base
  • 1
  • 10
  • 7
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"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): [_] → [7, 8] → [_, 4, 4]

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Answer: Row1[1]=15, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [3,4,4]
Base
  • 3
  • 4
  • 4
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":0,"v":3}