starter Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, _] → [3, 10, _]

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Answer: Row3[3]=5, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [3,10,5]
Base
  • 3
  • 10
  • 5
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, _] → [6, 3, 6]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [6,3,6]
Base
  • 6
  • 3
  • 6
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [5, _] → [3, _, 3]

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Answer: Row3[2]=2, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [5,5]
  • [3,2,3]
Base
  • 3
  • 2
  • 3
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [8, 9, 9]

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Answer: Row2[1]=17, Row1[1]=35

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [17,18]
  • [8,9,9]
Base
  • 8
  • 9
  • 9
TopValue
35
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":0,"c":0,"v":35}