starter Set 66 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, _] → [3, 10, _]

Show answer

Answer: Row2[2]=13, Row3[3]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [3,10,3]
Base
  • 3
  • 10
  • 3
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [8, 16] → [_, _, 10]

Show answer

Answer: Row3[2]=6, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [8,16]
  • [2,6,10]
Base
  • 2
  • 6
  • 10
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"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): [_] → [_, 15] → [8, 9, 6]

Show answer

Answer: Row1[1]=32, Row2[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [17,15]
  • [8,9,6]
Base
  • 8
  • 9
  • 6
TopValue
32
HiddenCells
  • {"r":0,"c":0,"v":32}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [15, 14] → [_, _, 4]

Show answer

Answer: Row3[2]=10, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [15,14]
  • [5,10,4]
Base
  • 5
  • 10
  • 4
TopValue
29
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":5}