starter Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [9, 10] → [_, 4, _]

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Answer: Row3[3]=6, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [9,10]
  • [5,4,6]
Base
  • 5
  • 4
  • 6
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"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): [27] → [9, 18] → [_, _, 10]

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Answer: Row3[2]=8, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [9,18]
  • [1,8,10]
Base
  • 1
  • 8
  • 10
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"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): [_] → [_, 12] → [2, 7, 5]

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Answer: Row1[1]=21, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [9,12]
  • [2,7,5]
Base
  • 2
  • 7
  • 5
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"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): [24] → [_, _] → [4, 5, 10]

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Answer: Row2[1]=9, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [9,15]
  • [4,5,10]
Base
  • 4
  • 5
  • 10
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":1,"c":1,"v":15}