starter Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [10, 9, 1]

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Answer: Row2[1]=19, Row1[1]=29

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [19,10]
  • [10,9,1]
Base
  • 10
  • 9
  • 1
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":19}
  • {"r":0,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 6] → [4, 2, 4]

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Answer: Row2[1]=6, Row1[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [6,6]
  • [4,2,4]
Base
  • 4
  • 2
  • 4
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":0,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [3, 6] → [_, 1, _]

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Answer: Row3[3]=5, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [3,6]
  • [2,1,5]
Base
  • 2
  • 1
  • 5
TopValue
9
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"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): [33] → [13, _] → [_, 10, 10]

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Answer: Row2[2]=20, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [13,20]
  • [3,10,10]
Base
  • 3
  • 10
  • 10
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":0,"v":3}