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): [_] → [2, 10] → [_, 1, 9]

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Answer: Row1[1]=12, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [2,10]
  • [1,1,9]
Base
  • 1
  • 1
  • 9
TopValue
12
HiddenCells
  • {"r":0,"c":0,"v":12}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [10, _] → [_, 3, 9]

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Answer: Row3[1]=7, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [10,12]
  • [7,3,9]
Base
  • 7
  • 3
  • 9
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [18, 11] → [_, 9, _]

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Answer: Row3[3]=2, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [18,11]
  • [9,9,2]
Base
  • 9
  • 9
  • 2
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"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, 16] → [_, 8, 8]

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Answer: Row3[1]=3, Row1[1]=27

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [11,16]
  • [3,8,8]
Base
  • 3
  • 8
  • 8
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":0,"c":0,"v":27}