starter Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 15] → [3, 6, _]

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Answer: Row2[1]=9, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [9,15]
  • [3,6,9]
Base
  • 3
  • 6
  • 9
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, 12] → [_, _, 2]

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Answer: Row3[2]=10, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [13,12]
  • [3,10,2]
Base
  • 3
  • 10
  • 2
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 7] → [_, 3, 4]

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Answer: Row3[1]=5, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [5,3,4]
Base
  • 5
  • 3
  • 4
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 7] → [5, 6, 1]

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Answer: Row2[1]=11, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [5,6,1]
Base
  • 5
  • 6
  • 1
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":0,"c":0,"v":18}