starter Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [7, 8, 2]

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Answer: Row1[1]=25, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [15,10]
  • [7,8,2]
Base
  • 7
  • 8
  • 2
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"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): [23] → [13, _] → [4, 9, _]

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Answer: Row2[2]=10, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [4,9,1]
Base
  • 4
  • 9
  • 1
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 11] → [_, 4, 7]

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Answer: Row3[1]=1, Row2[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [5,11]
  • [1,4,7]
Base
  • 1
  • 4
  • 7
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"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): [17] → [_, _] → [6, 3, 5]

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Answer: Row2[2]=8, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [6,3,5]
Base
  • 6
  • 3
  • 5
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":1,"c":0,"v":9}