easy Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 18] → [_, 9, 9]

Show answer

Answer: Row2[1]=18, Row3[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [36]
  • [18,18]
  • [9,9,9]
Base
  • 9
  • 9
  • 9
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 20] → [_, 10, 10]

Show answer

Answer: Row3[1]=3, Row1[1]=33

SubType
number-pyramid
Difficulty
easy
Levels
  • [33]
  • [13,20]
  • [3,10,10]
Base
  • 3
  • 10
  • 10
TopValue
33
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":0,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 14] → [6, _, 5]

Show answer

Answer: Row3[2]=9, Row2[1]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [29]
  • [15,14]
  • [6,9,5]
Base
  • 6
  • 9
  • 5
TopValue
29
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, _] → [4, 6, 6]

Show answer

Answer: Row2[1]=10, Row2[2]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [10,12]
  • [4,6,6]
Base
  • 4
  • 6
  • 6
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":1,"c":1,"v":12}