starter Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [7, 10, 1]

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Answer: Row2[1]=17, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [17,11]
  • [7,10,1]
Base
  • 7
  • 10
  • 1
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 10] → [_, 4, 6]

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Answer: Row3[1]=7, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [7,4,6]
Base
  • 7
  • 4
  • 6
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [10, _] → [_, 1, 5]

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Answer: Row3[1]=9, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [10,6]
  • [9,1,5]
Base
  • 9
  • 1
  • 5
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [12, 7] → [_, 3, _]

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Answer: Row3[1]=9, Row3[3]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [12,7]
  • [9,3,4]
Base
  • 9
  • 3
  • 4
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":4}