expert Set 49 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, _] → [_, 7, 3]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [9,10]
  • [2,7,3]
Base
  • 2
  • 7
  • 3
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [8, _] → [6, 2, _]

Show answer

Answer: Row2[2]=7, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [8,7]
  • [6,2,5]
Base
  • 6
  • 2
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [11, 12] → [_, 3, _]

Show answer

Answer: Row3[1]=8, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [11,12]
  • [8,3,9]
Base
  • 8
  • 3
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 8] → [5, 3, _]

Show answer

Answer: Row3[3]=5, Row1[1]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [8,8]
  • [5,3,5]
Base
  • 5
  • 3
  • 5
TopValue
16
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":0,"c":0,"v":16}