starter Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [16, 12] → [9, _, _]

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Answer: Row3[2]=7, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [16,12]
  • [9,7,5]
Base
  • 9
  • 7
  • 5
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [15, 17] → [_, 10, _]

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Answer: Row3[1]=5, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [15,17]
  • [5,10,7]
Base
  • 5
  • 10
  • 7
TopValue
32
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [8, 5] → [6, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [6,2,3]
Base
  • 6
  • 2
  • 3
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 7] → [5, 6, _]

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Answer: Row3[3]=1, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [5,6,1]
Base
  • 5
  • 6
  • 1
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":0,"v":11}