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**Free Math Worksheets for Grade 1**

These worksheets provide additional calculation practice for many first grade math topics, following the Common Core standards and Math Mammoth grade 1 curriculum. Use them as you need!

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Mental addition Two-digit addition |
Mental subtraction |

### Mental Addition

Adding two single-digit numbers - sum 7 or less

Adding two single-digit numbers - sum 10 or less

Missing addend - sums with 6

Missing addend - sums with 7

Missing addend - sums with 8

Missing addend - sums with 9

Missing addend - sums with 10

Missing addend random - sum max 10

Missing addend random within 10 and 20

Missing addend random within 1 and 20

Add three numbers within 20

Adding whole tens (2 addends)

Add whole tens (3 addends)

Missing addend - whole tens

Complete the next ten

Add a 2-digit number and a 1-digit number mentally - within the same ten

Add two single-digit numbers using the “trick” with nine and eight

Add two single-digit numbers using mental math strategies, such as the trick with nine and eight, doubles or “doubles plus one more”. Students are not required to remember these sums by heart in 1st grade.

**Math Mammoth Addition 1**

A self-teaching worktext for 1st grade that covers addition concept, missing addend problems, and practice of addition facts within the context of fact families (providing structure for the facts learning).

**Download ($3.95)**. Also available as a printed copy.

### Two-Digit Addition

Students should be provided a 100-bead abacus or base ten blocks for these two-digit addition problems. The problems can even involve a regrouping, or making a new ten, but students are not solving the problems by writing the numbers under each other (adding in columns). The idea is just to use the manipulative to add.

Add two 2-digit numbers using a manipulative

### Adding in Columns

Add a 2-digit number and a 1-digit number in columns - no regrouping/carrying

Add two 2-digit numbers in columns - no
regrouping/carrying

Add a 2-digit number and a single-digit number in columns - figure out the
missing addend

Add two 2-digit numbers in columns - figure out the missing addend

### Place Value

Build a two-digit number from tens and ones

Tens and ones - missing addend

Fill in a 1 to 100 number chart - totally empty

Simple number chart from 1 to 100 - half of the boxes need filled

Number chart from 1 to 100 - 70% of the boxes need filled

Fill number chart from 1 to 100; even numbers are colored (empty)

Fill number chart from 1 to 100; even numbers are colored (partially filled)

Fill number chart from 1 to 100, every third number is colored (empty)

Fill number chart from 1 to 100, every third number is colored (partially filled)

Fill number chart from 1 to 100, every fourth number is colored (empty)

Fill number chart from 1 to 100, every fifth number is colored (empty)

Fill number chart from 1 to 100, every sixth number is colored (empty)

Fill number chart from 1 to 100, every eighth number is colored (empty)

**Math Mammoth Place Value 1**

A self-teaching worktext for 1st grade that covers forming ten-groups, filling the 100-chart, breaking numbers to tens & ones, and comparing.

**Download ($3.30)**. Also available as a printed copy.

### Mental Subtraction

Subtracting within 0-7

Subtracting within 0-10

Subtracting within 0-10, missing minuend or subtrahend

Add and subtract single-digit numbers, 3 numbers

Add and subtract single-digit numbers, 4 numbers

Subtracting within 10-19

Subtracting a single-digit number from a two-digit number (no crossing the previous ten)

Subtracting a single-digit number from a two-digit number; missing minuend or subtrahend

Subtracting whole tens

Subtracting whole tens, missing minuend or subtrahend

Subtracting from a whole ten

**Math Mammoth Subtraction 1**

A self-teaching worktext for 1st grade that covers subtraction concept, fact families, difference, memorizing basic facts, and lots of word problems.

**Download ($5.10)**. Also available as a printed copy.

### Subtraction in columns

Subtract a 1-digit number from a 2-digit number (no regrouping/borrowing)

Subtract a 2-digit number from a 2-digit number (no regrouping/borrowing)

Subtraction in columns - figure out the missing minuend or subtrahend

**Math Mammoth Grade 1 Curriculum - ONLY $37.50 (download)**

Includes two worktexts, answer keys, tests & cumulative reviews. Covers single-digit addition and subtraction, fact families, two-digit numbers, adding and subtracting two-digit numbers, measuring, geometry, clock, and money.
1-A contents and samples

1-B contents and samples

Grade 1 Common Core alignment

### Clock (whole and half hours)

Tell the time to the whole hour

Draw the time on the clock face (whole hours)

Tell the time to the half hour

Draw the time on the clock face (half hours)

**Math Mammoth Clock**

A self-teaching worktext for 1st - 3rd grade that covers telling time (reading the clock), AM/PM, elapsed time, using the calendar, and changing time units.

**Download ($4.75)**. Also available as a printed copy.

### Money (counting coins)

Pennies and dimes only - up to 6 coins

Pennies, nickels, and dimes only - up to 6 coins

Pennies, nickels, and dimes only - up to 10 coins

Pennies, nickels, and dimes only - up to 15 coins

Dimes and quarters only - up to 6 coins

Nickels and quarters only - up to 6 coins

Pennies, nickels, dimes, and quarters - easy

Pennies, nickels, dimes, and quarters - medium

Pennies, nickels, dimes, and quarters - challenge

**Math Mammoth US Money**

A self-teaching worktext for 1st-3rd grade that covers counting coins, shopping, adding money amounts, and finding change.

**Download ($3.55)**. Also available as a printed copy.

Also available for Canadian, British, Australian, South African, and European money.

*Use these pages to make worksheets for other currencies:*

Canadian
money

Australian money

British money

South African money

European money

**Math Mammoth Grade 1 Curriculum - ONLY $37.50 (download)**

Includes two worktexts, answer keys, tests & cumulative reviews. Covers single-digit addition and subtraction, fact families, two-digit numbers, adding and subtracting two-digit numbers, measuring, geometry, clock, and money.
1-A contents and samples

1-B contents and samples

Grade 1 Common Core alignment

If you wish to have more control on the options such as number of problems or font size or spacing of problems, or range of numbers, just click on these links to use the worksheet generators yourself: