easy Set 44 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [19, _] → [10, 9, _]

Show answer

Answer: Row2[2]=11, Row3[3]=2

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [19,11]
  • [10,9,2]
Base
  • 10
  • 9
  • 2
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 13] → [_, 4, 9]

Show answer

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [5,13]
  • [1,4,9]
Base
  • 1
  • 4
  • 9
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"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): [23] → [10, _] → [_, 6, 7]

Show answer

Answer: Row2[2]=13, Row3[1]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [10,13]
  • [4,6,7]
Base
  • 4
  • 6
  • 7
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"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): [28] → [11, 17] → [2, _, _]

Show answer

Answer: Row3[2]=9, Row3[3]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [11,17]
  • [2,9,8]
Base
  • 2
  • 9
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":8}