starter Set 60 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 6] → [_, 1, 5]

Show answer

Answer: Row3[1]=4, Row2[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [5,6]
  • [4,1,5]
Base
  • 4
  • 1
  • 5
TopValue
11
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, 12] → [_, _, 5]

Show answer

Answer: Row3[1]=8, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [8,7,5]
Base
  • 8
  • 7
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 4] → [4, _, 3]

Show answer

Answer: Row1[1]=9, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [5,4]
  • [4,1,3]
Base
  • 4
  • 1
  • 3
TopValue
9
HiddenCells
  • {"r":0,"c":0,"v":9}
  • {"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): [17] → [6, _] → [3, 3, _]

Show answer

Answer: Row3[3]=8, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [6,11]
  • [3,3,8]
Base
  • 3
  • 3
  • 8
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":11}