starter Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [_, 4] → [5, _, 3]

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Answer: Row3[2]=1, Row2[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [6,4]
  • [5,1,3]
Base
  • 5
  • 1
  • 3
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, _] → [2, 4, 8]

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Answer: Row2[1]=6, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [6,12]
  • [2,4,8]
Base
  • 2
  • 4
  • 8
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [14, 8] → [10, _, _]

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Answer: Row3[2]=4, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [14,8]
  • [10,4,4]
Base
  • 10
  • 4
  • 4
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 7] → [_, 2, 5]

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Answer: Row1[1]=17, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [8,2,5]
Base
  • 8
  • 2
  • 5
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":2,"c":0,"v":8}