starter Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 13] → [_, 5, 8]

Show answer

Answer: Row3[1]=8, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [8,5,8]
Base
  • 8
  • 5
  • 8
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, _] → [8, 9, 10]

Show answer

Answer: Row2[1]=17, Row2[2]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [17,19]
  • [8,9,10]
Base
  • 8
  • 9
  • 10
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [8, _] → [2, _, 1]

Show answer

Answer: Row3[2]=6, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [2,6,1]
Base
  • 2
  • 6
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"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): [25] → [_, _] → [5, 7, 6]

Show answer

Answer: Row2[1]=12, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [5,7,6]
Base
  • 5
  • 7
  • 6
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":1,"c":1,"v":13}