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Secret Code Math

The printable "Secret Code Math" worksheets below cover dozens of different math topics, including addition, multiplication, division, and subtraction. Students first decode the numbers in the problems, then they solve.

Secret Code Math Worksheets

Addition

SCM Addition: 3-Digit Addends  FREE 
On this worksheet, students will decipher the code to create 3-digit addition problems. Then they'll solve each one.
2nd through 4th Grades
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Common Core
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SCM: Addition: 4-Digit Addends
To solve these addition problems, students will first need to decipher the symbol addends.
2nd through 4th Grades
SCM: Multiple Addends
3 Addends; 3 Digits
This column addition worksheet has three addends. Each one has 2 or 3 digits.
2nd through 4th Grades
SCM: Multiple Addends
Up to 4 Addends; 4 Digits
These coded problems have up to 4 addends, with 2, 3, or 4 digits in each.
3rd through 5th Grades

Subtraction

SCM: Subtraction: No Regrouping
These secret code math subtraction problems each have 2-digits. Students do not borrow or regroup to solve.
1st and 2nd Grades
SCM: Subtraction: 2-Digits (Regrouping)
Students will need to borrow/regroup to solve the subtraction problems on this sheet.
1st through 3rd Grades
SCM Subtraction: 3 Digits
After decoding the numbers using the key, students will subtract to find the differences.
2nd through 4th Grades
SCM Subtraction:
3 Digits (Across Zero)
These 3-digit subtraction problems require students to borrow across zero. (example: 400-126)
2nd through 4th Grades
SCM Subtraction: 4 Digits
Find the differences of pairs of 4-digit numbers.
3rd and 4th Grades
SCM Subtraction: 4 Digits (Across Zero)
Translate the picto-code numbers into "regular numbers" and then solve. All problems require students to subtract 4-digit numbers across zero. (example: 5,000-2,614)
3rd and 4th Grades

Rounding

SCM: Rounding to the Nearest Ten
Decode the numbers, then round each one to the nearest ten. (example: 264 rounds to 260)
2nd through 4th Grades
SCM: Rounding to the Nearest Hundred
Round each number to the nearest hundred.
3rd and 4th Grades
SCM: Rounding to the Nearest Thousand
On this one, children will figure out the numbers and then round to the nearest thousand.
4th through 6th Grades

Comparing Numbers

SCM: Comparing
3-Digit Numbers
Decode sets of symbols into numbers. Compare each group with "greater than," "less than," or "equal to."
1st through 3rd Grades
SCM: Comparing
4-Digit Numbers
Use the symbols <, >, and = to compare each set of numbers.
2nd through 4th Grades
SCM: Comparing
5-Digit Numbers
Compare pairs of 5-digit numbers using <, >, and =.
3rd and 4th Grades

Multiplication

SCM: Multiplication:
Basic Facts 0-10
Decode the factors. Then write the product for each basic multiplication fact, up to 10x10.
3rd and 4th Grades
SCM: Multiplication:
Basic Facts 0-12
Write the product for each basic fact, up to 12x12.
3rd and 4th Grades
SCM: Multiplication:
2 Digits Times 1 Digit
First decode the numbers using the key at the top of the page. Then find the product for each pair of numbers.
(example: 54 x 6)
3rd and 4th Grades
SCM: Multiplication Patterns:
3-Digit by 1-Digit Numbers
Solve the 3-digit multiplication patterns.
(example: 700 x 8)
3rd through 5th Grades
SCM: Multiplication:
3-Digit by 1-Digit Numbers
Multiply 3-digit numbers by 1-digit numbers.
(example: 166 x 7)
3rd through 5th Grades
SCM: Multiplication
4-Digit by 1-Digit Numbers
Find the products by multiplying 4-digit numbers by 1-digit numbers.
(example: 3,478 x 4)
4th and 5th Grades
SCM: Multiplication
2 Digits Times 2 Digits
Here you'll multiply pairs of double-digit numbers together.
(example: 84 x 51)
4th and 5th Grades
SCM Multiplication:
3 Digits Times 2 Digits
Multiply 3-digit numbers by 2-digit numbers in this cypher-code activity.
4th through 6th Grades

Division

SCM Division: Basic Facts
Convert the pictures into numbers, then write the quotient for each basic division fact.
3rd and 4th Grades
SCM Division:
1-Digit Quotients w/ Remainders
For this activity, students will be solving problems that have 1-digit quotients with simple reminders.
3rd and 4th Grades
SCM Division:
2-Digit Quotients; No Remainders
These problems have 3-digit dividends, 2-digit quotients, and no remainders.
3rd through 5th Grades
SCM Division:
2-Digit Quotients w/ Remainders
This version has 3-digit dividends and 2-digit quotients. Each problem has a remainder.
4th and 5th Grades
See also:
Math Worksheets

This page has an full index of math worksheet topics on our website.

Math Task Cards

Download math task cards covering a wide variety of topics.

Scoot!

Scoot! is a whole-class math game that will have students moving from desk to desk as they solve math problems.

Single & Multi-Step Word Problems

Here you'll find a collection of word problems for all grade levels.

Worksheet Pictures

Secret Code Math Worksheets

Printable Secret Code Math Worksheets

Secret Code Math Activities

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