starter Set 56 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 9] → [_, 6, 3]

Show answer

Answer: Row3[1]=2, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [8,9]
  • [2,6,3]
Base
  • 2
  • 6
  • 3
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, 9] → [_, 2, 7]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [4,9]
  • [2,2,7]
Base
  • 2
  • 2
  • 7
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 3] → [7, _, 2]

Show answer

Answer: Row3[2]=1, Row1[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [8,3]
  • [7,1,2]
Base
  • 7
  • 1
  • 2
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":0,"c":0,"v":11}

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

Show answer

Answer: Row2[1]=7, Row3[2]=4

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