starter Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 16] → [_, 7, 9]

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Answer: Row3[1]=2, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [9,16]
  • [2,7,9]
Base
  • 2
  • 7
  • 9
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"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): [34] → [16, _] → [6, _, 8]

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Answer: Row3[2]=10, Row2[2]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [16,18]
  • [6,10,8]
Base
  • 6
  • 10
  • 8
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [3, 10] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [3,10]
  • [2,1,9]
Base
  • 2
  • 1
  • 9
TopValue
13
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 4] → [5, 3, _]

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Answer: Row1[1]=12, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [8,4]
  • [5,3,1]
Base
  • 5
  • 3
  • 1
TopValue
12
HiddenCells
  • {"r":0,"c":0,"v":12}
  • {"r":2,"c":2,"v":1}