starter Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [10, 7, 1]

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Answer: Row2[2]=8, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [17,8]
  • [10,7,1]
Base
  • 10
  • 7
  • 1
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":0,"c":0,"v":25}

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

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [16,9]
  • [9,7,2]
Base
  • 9
  • 7
  • 2
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 10] → [_, 8, 2]

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Answer: Row1[1]=19, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [9,10]
  • [1,8,2]
Base
  • 1
  • 8
  • 2
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"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): [_] → [4, _] → [1, 3, 9]

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Answer: Row2[2]=12, Row1[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [4,12]
  • [1,3,9]
Base
  • 1
  • 3
  • 9
TopValue
16
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":0,"c":0,"v":16}