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): [12] → [6, 6] → [_, 2, _]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [6,6]
  • [4,2,4]
Base
  • 4
  • 2
  • 4
TopValue
12
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"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): [18] → [9, 9] → [_, _, 1]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [9,9]
  • [1,8,1]
Base
  • 1
  • 8
  • 1
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 16] → [9, _, 10]

Show answer

Answer: Row1[1]=31, Row3[2]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [15,16]
  • [9,6,10]
Base
  • 9
  • 6
  • 10
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":2,"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] → [9, _] → [_, 8, 2]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [9,10]
  • [1,8,2]
Base
  • 1
  • 8
  • 2
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":1,"v":10}