Example grid for a cross-figure puzzle with some answers filled in. A cross-figure (also variously called cross number puzzle or figure logic) is a puzzle similar to a crossword in structure, but with entries that consist of numbers rather than words, where individual digits are entered in the blank cells. Clues may be mathematical ("the seventh prime number"), use general knowledge ("date of ...
For simplicity, none of the digits in the first row and column in these puzzles is 0; i.e., for an n by n diagram, the answers to the clues are true n-digit numbers. As in crossword puzzles, the goal is to fit the numbers together. To illustrate what we’re talking about, here’s an example problem: Problem 0. A 2-by-2 puzzle. Across: 1, ABC.
Cross-figures by Yochanan Dvir. Here are eighty excellent Cross-figure (also known as crossnumber or figure logic) puzzles by Yochanan Dvir. Puzzles 1-20 Puzzles 21-40 Puzzles 41-60 Puzzles 61-80. Here's a little info about the puzzle constructor: Yochanan Dvir
I’ve included one additional example in the worksheet. In creating CrossNumber puzzles, you might want to look at a particular digit of a number. So if you wanted the third digit from the right, you could use integer division in Python: 12,345 // 100 is just 123. Then to get the 3, you use modular arithmetic: 123 % 10.
An interactive cross number puzzle solver. Can solve Sudokus, but also many other number puzzles. ... About; Sample content. Every puzzle in the book is accompanied by a solution guide and a solution. An example is shown below. The solution guide suggests one possible order of tackling the boxes, in other words, it tells you which ones are ...
Cross-Number Puzzle. Use basic math skills to solve a crossword-type puzzle. The cross-number puzzle replaces the words in a crossword with numeric digits, and math equations replace the word hints. The larger the puzzle you select, the larger the maximum size of the numbers that go into the grid, as well as the more difficult the math problems.
Here's a a small example Number Cross puzzle: Rules of Number Cross. Number Cross only has one rule: cross out numbers such that those remaining add up to the totals for each column and row – that’s it! ... Solving Number Cross Puzzles. Solving these puzzles requires a combination of math and logic skills. As always, we can start with some ...
The Math Workshop curriculum features cross number puzzles across grade levels, taking the fundamental puzzle and embellishing it to deepen the mathematical explorations. On the left below, for example, are two cross number grids (with no restrictions about what numbers can appear where). On the right they have been added together.
An interactive cross number puzzle solver. Can solve Sudokus, but also many other number puzzles. ... (A across) = 16 prime number(D down) prime number(F across) prime number ...
These puzzles are designed in the same way as a traditional crossword but using numbers instead of words. Each clue is a sum, and the result should be entered into t. International; Resources; ... We are pleased to let you know that your resource CROSS NUMBERS PUZZLES, has been hand-picked by the Tes resources content team to be featured in ...
How to Do Cross Number Puzzles: A Step-by-Step Guide ... For example, if a symbol is used to represent addition, it means that the numbers on either side of the symbol must add up to a specific value. Step 3: Fill in the Easy Cells. Once you have identified the constraints, start filling in the easy cells. Easy cells are cells that have only ...
Math Cross Puzzle # 2 Number Patterns. Math Cross Puzzle # 3 Associative Property: (5 + 6) x 2. Math Cross Puzzle # 4 Addition, Subtraction, Multiplication & number patterns. ... This resource sets up a number of contradictions. For example: Many sources note that tomatoes originated in the New World; The Food Timeline indicates that tomatoes ...
12 puzzles, rather like crosswords, but these cross number puzzles have calculation rather than word clues. Just slide the correct digits into the spaces. When complete click the Answer to see if all is correct. Cross Number 1. Two Digit Addition. Play . Cross Number 2. Two Digit Subtraction. Play . Cross Number 3.
B A one-digit prime number to the sixth power D The square of a two -digit number C Square number F A multiple of 3 E Multiple of 6. The sum of its thousands and hundreds digits is equal to half the sum of its tens and ones digits. G A square number. The sum of its digits is a two-digit prime number. H Greatest four-digit number
Criss-Cross Numbers Task 39 ... Years 2 - 7 Summary This is a hands-on example of Cross Number (cf: Crossword) puzzle. Using the numbered counters makes it easier (and safer?) than a pencil and paper version. The problem is to fill the empty spaces knowing only the numbers in the completed puzzle and a few given digits.
4.A square number 8.The same as (10 down)+ (10 across) and 9 x (6 down) 9.Divisible by 11 4 10 7 Down 1.78 x (3 down) 2.9x (3 down) 3.Both digits are the same 4.One more than (2 down) 7.9 x (6 across) 8.90+ (11 across) and all the digits are the same 9.3x (3 down) Hint 1: Start with 2 down and 3 down where nine times a two-digit number equals a ...
What is a Cross Number Puzzle? Before we dive into how to play, let’s take a closer look at what a cross number puzzle is. A standard cross number puzzle is a grid of squares, divided into rows and columns. The grid size can vary, but typically ranges from 5×5 to 15×15. Basic Rules. Before we begin, here are the basic rules to keep in mind ...
This printable activity is designed to stimulate your students' creativity. It resembles a crossword puzzle and involves the use of addition, subtraction, multiplication, and division to form a target number (8). The students will need to identify different number combinations within a grid table, which is similar to a cross-number puzzle.
This printable math activity is designed to stimulate your students' creativity. It resembles a crossword puzzle and involves the use of addition, subtraction, multiplication, and division to form a target number (9). The students will need to identify different number combinations within a grid table, which is similar to a cross-number puzzle.
