Number Pyramid Addition 3layer Hard — Set 39
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [26, 28, _] → [_, _, _, _] → [7, 5, 9, 5, 10]
Show answer
Answer: Row4[1]=12, Row4[2]=14, Row2[1]=54, Row2[2]=57, Row4[4]=15, Row4[3]=14, Row1[1]=111, Row3[3]=29
- SubType
- number-pyramid
- Difficulty
- hard
- Levels
- [111]
- [54,57]
- [26,28,29]
- [12,14,14,15]
- [7,5,9,5,10]
- Base
- 7
- 5
- 9
- 5
- 10
- TopValue
- 111
- HiddenCells
- {"r":3,"c":0,"v":12}
- {"r":3,"c":1,"v":14}
- {"r":1,"c":0,"v":54}
- {"r":1,"c":1,"v":57}
- {"r":3,"c":3,"v":15}
- {"r":3,"c":2,"v":14}
- {"r":0,"c":0,"v":111}
- {"r":2,"c":2,"v":29}
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [_, 32] → [_, _, 14] → [9, 8, 10, 4] → [_, _, _, _, _]
Show answer
Answer: Row5[4]=3, Row5[1]=8, Row2[1]=35, Row3[2]=18, Row5[5]=1, Row5[3]=7, Row3[1]=17, Row5[2]=1
- SubType
- number-pyramid
- Difficulty
- hard
- Levels
- [67]
- [35,32]
- [17,18,14]
- [9,8,10,4]
- [8,1,7,3,1]
- Base
- 8
- 1
- 7
- 3
- 1
- TopValue
- 67
- HiddenCells
- {"r":4,"c":3,"v":3}
- {"r":4,"c":0,"v":8}
- {"r":1,"c":0,"v":35}
- {"r":2,"c":1,"v":18}
- {"r":4,"c":4,"v":1}
- {"r":4,"c":2,"v":7}
- {"r":2,"c":0,"v":17}
- {"r":4,"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): [_] → [_, _] → [15, _, 23] → [_, 12, _, 11] → [1, 2, _, _, 9]
Show answer
Answer: Row4[1]=3, Row5[3]=10, Row2[2]=47, Row4[3]=12, Row3[2]=24, Row1[1]=86, Row5[4]=2, Row2[1]=39
- SubType
- number-pyramid
- Difficulty
- hard
- Levels
- [86]
- [39,47]
- [15,24,23]
- [3,12,12,11]
- [1,2,10,2,9]
- Base
- 1
- 2
- 10
- 2
- 9
- TopValue
- 86
- HiddenCells
- {"r":3,"c":0,"v":3}
- {"r":4,"c":2,"v":10}
- {"r":1,"c":1,"v":47}
- {"r":3,"c":2,"v":12}
- {"r":2,"c":1,"v":24}
- {"r":0,"c":0,"v":86}
- {"r":4,"c":3,"v":2}
- {"r":1,"c":0,"v":39}
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [_, 51] → [_, _, _] → [_, 14, _, 11] → [_, 4, _, 3, 8]
Show answer
Answer: Row5[1]=1, Row3[1]=19, Row5[3]=10, Row4[3]=13, Row3[3]=24, Row4[1]=5, Row2[1]=46, Row3[2]=27
- SubType
- number-pyramid
- Difficulty
- hard
- Levels
- [97]
- [46,51]
- [19,27,24]
- [5,14,13,11]
- [1,4,10,3,8]
- Base
- 1
- 4
- 10
- 3
- 8
- TopValue
- 97
- HiddenCells
- {"r":4,"c":0,"v":1}
- {"r":2,"c":0,"v":19}
- {"r":4,"c":2,"v":10}
- {"r":3,"c":2,"v":13}
- {"r":2,"c":2,"v":24}
- {"r":3,"c":0,"v":5}
- {"r":1,"c":0,"v":46}
- {"r":2,"c":1,"v":27}
Teaching Notes
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