starter Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, 10] → [_, _, 5]

Show answer

Answer: Row3[2]=5, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [6,5,5]
Base
  • 6
  • 5
  • 5
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [8, 8] → [_, _, 6]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [8,8]
  • [6,2,6]
Base
  • 6
  • 2
  • 6
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [6] → [4, 2] → [_, _, 1]

Show answer

Answer: Row3[1]=3, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [6]
  • [4,2]
  • [3,1,1]
Base
  • 3
  • 1
  • 1
TopValue
6
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [11, 7] → [_, _, 3]

Show answer

Answer: Row3[2]=4, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [7,4,3]
Base
  • 7
  • 4
  • 3
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":0,"v":7}