expert Set 61 Form Exercise

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

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [6]
  • [3,3]
  • [1,2,1]
Base
  • 1
  • 2
  • 1
TopValue
6
HiddenCells
  • {"r":0,"c":0,"v":6}
  • {"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): [18] → [10, 8] → [5, _, _]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [10,8]
  • [5,5,3]
Base
  • 5
  • 5
  • 3
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 10] → [9, 7, _]

Show answer

Answer: Row3[3]=3, Row2[1]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [16,10]
  • [9,7,3]
Base
  • 9
  • 7
  • 3
TopValue
26
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 19] → [_, 9, 10]

Show answer

Answer: Row3[1]=7, Row1[1]=35

SubType
number-pyramid
Difficulty
expert
Levels
  • [35]
  • [16,19]
  • [7,9,10]
Base
  • 7
  • 9
  • 10
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":35}