expert Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, 9] → [6, _, _]

Show answer

Answer: Row3[3]=5, Row3[2]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [10,9]
  • [6,4,5]
Base
  • 6
  • 4
  • 5
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, 15] → [6, _, _]

Show answer

Answer: Row3[2]=9, Row3[3]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [15,15]
  • [6,9,6]
Base
  • 6
  • 9
  • 6
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [7, 7, 3]

Show answer

Answer: Row2[1]=14, Row1[1]=24

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [14,10]
  • [7,7,3]
Base
  • 7
  • 7
  • 3
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 3] → [4, 1, _]

Show answer

Answer: Row1[1]=8, Row3[3]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [8]
  • [5,3]
  • [4,1,2]
Base
  • 4
  • 1
  • 2
TopValue
8
HiddenCells
  • {"r":0,"c":0,"v":8}
  • {"r":2,"c":2,"v":2}