starter Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [9, 13] → [_, _, 9]

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Answer: Row3[2]=4, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [9,13]
  • [5,4,9]
Base
  • 5
  • 4
  • 9
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [_, 3] → [_, 2, 1]

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Answer: Row2[1]=4, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [7]
  • [4,3]
  • [2,2,1]
Base
  • 2
  • 2
  • 1
TopValue
7
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [4, 13] → [_, _, 10]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [4,13]
  • [1,3,10]
Base
  • 1
  • 3
  • 10
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"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): [13] → [_, 5] → [4, 4, _]

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Answer: Row3[3]=1, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [8,5]
  • [4,4,1]
Base
  • 4
  • 4
  • 1
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":0,"v":8}