expert 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): [19] → [11, _] → [_, 7, 1]

Show answer

Answer: Row2[2]=8, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [11,8]
  • [4,7,1]
Base
  • 4
  • 7
  • 1
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":0,"v":4}

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

Show answer

Answer: Row1[1]=20, Row3[3]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [10,10]
  • [8,2,8]
Base
  • 8
  • 2
  • 8
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [_, 3] → [_, 1, 2]

Show answer

Answer: Row2[1]=6, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [9]
  • [6,3]
  • [5,1,2]
Base
  • 5
  • 1
  • 2
TopValue
9
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":2,"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): [_] → [_, 12] → [7, 5, 7]

Show answer

Answer: Row2[1]=12, Row1[1]=24

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [12,12]
  • [7,5,7]
Base
  • 7
  • 5
  • 7
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":0,"c":0,"v":24}