starter Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [6, _] → [1, 5, _]

Show answer

Answer: Row2[2]=7, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [6,7]
  • [1,5,2]
Base
  • 1
  • 5
  • 2
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"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): [_] → [13, 15] → [6, _, 8]

Show answer

Answer: Row3[2]=7, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [6,7,8]
Base
  • 6
  • 7
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [9, _] → [3, _, 3]

Show answer

Answer: Row3[2]=6, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [3,6,3]
Base
  • 3
  • 6
  • 3
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 3] → [3, _, 2]

Show answer

Answer: Row1[1]=7, Row3[2]=1

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