Page 76 - NUMINO TG_4A

Math Story Alphametics 04Numbers in Disguise Unit
jOb ective Learn about Alphametics.

Math Story Alphametics 1. Textbook Instructions

Alphametics is a clever puzzle in which words make Show the students the most famous
up an arithmetic equation. This puzzle was created Alphametics puzzle created by Henry Dudeney.
for Strand Magazine in 1924 by Henry Dudeney, one
of the top puzzlists of the 20th century. Have the students use what they learned to
solve Henry Dudeney’s Alphametics puzzle.

Show the students that there are Alpametics

that use multiplication.

Refer to .

Dudeney, Henry Ernest
(1857 - 1930)

Solve the puzzle below.

1 11

9567
+1085

10652

Answers:
S = 9, E = 5, N = 6, D = 7, M = 1, O = 0, R = 8, Y = 2

4. Numbers in Disguise 39

2. Build Understanding Solution:

Problem: ABCD 9 DCBA. A 9 must not result in a regrouping. A 1,
Find the number for each alphabet and since A 9 D, D 9. B 9 must also result in a 1 digit
letter to solve the puzzle. number, so B can either be 0 or 1. Since a number already
represents 1, B 0, and C 8.
ABCD 1,089 9 9,801
ABC 9
DCBA Answer 1, 0 8 9
ABC 9

9, 0 8 1

4A Unit 04 059