starter Set 76 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [8, 9] → [_, 1, _]

Show answer

Answer: Row3[1]=7, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [8,9]
  • [7,1,8]
Base
  • 7
  • 1
  • 8
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [3, 5, 8]

Show answer

Answer: Row2[1]=8, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [8,13]
  • [3,5,8]
Base
  • 3
  • 5
  • 8
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 7] → [4, 1, _]

Show answer

Answer: Row2[1]=5, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [5,7]
  • [4,1,6]
Base
  • 4
  • 1
  • 6
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 13] → [7, 6, _]

Show answer

Answer: Row1[1]=26, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [7,6,7]
Base
  • 7
  • 6
  • 7
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"c":2,"v":7}