starter Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [14, 7] → [9, _, _]

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Answer: Row3[2]=5, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [14,7]
  • [9,5,2]
Base
  • 9
  • 5
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 19] → [_, 9, 10]

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Answer: Row2[1]=17, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [17,19]
  • [8,9,10]
Base
  • 8
  • 9
  • 10
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"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): [30] → [16, _] → [10, _, 8]

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Answer: Row3[2]=6, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [16,14]
  • [10,6,8]
Base
  • 10
  • 6
  • 8
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"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): [30] → [_, 18] → [_, 10, 8]

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Answer: Row2[1]=12, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [12,18]
  • [2,10,8]
Base
  • 2
  • 10
  • 8
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":0,"v":2}