This missing number addition activity has children draw watermelon slices to find the unknown addend in 18 problems within 10. Made for kindergarten and 1st grade, with a practice page and answer key included.

Practice subtraction within six with this subtraction dice game worksheet for 1st grade. Kids count dice dots, write number sentences, and draw missing dots, with an answer key included for quick checking.

This Subtracting Four Writing Equations Worksheet gives 1st Grade students picture rows and number sentences for subtracting four, with an answer key, so they build real subtraction fluency.

This Christmas Single Digit Subtraction Worksheet gives 1st graders festive practice subtracting within 10 through vertical problems, missing numbers, and word problems. Answer key included for fast, no-prep holiday math.

Using Count Back Activity, students count back from one number to another number to solve the subtraction equations.

In this 1.OA.4 First Grade Common Core Lesson, students practice finding the missing added using subtraction as strategy to solve.

This subtraction within 5 activity has kindergarten and 1st grade children solve peanut butter jar problems and match them to jelly jar answers. Answer key included.

This subtracting six writing equations worksheet has first graders count picnic picture rows, write each number sentence, and solve subtract-six facts, with an answer key for easy checking.

The Subtract Three Matching Worksheet asks first grade students to match six subtraction facts to their differences and solve four more in answer boxes. An answer key is included.

This subtracting eight writing equations worksheet has first graders count snack picture groups, write each number sentence, and solve subtract-eight facts, with an answer key for easy checking.

This Let's Workout Our Brain Add Subtract Within 20 activity gives 1st-2nd grade students two mental math card games, a score sheet and a practice page, with an answer key included.

This add and subtract with frogs activity has 1st and 2nd Grade students flip lily pad cards and spin to add or subtract within 20, with a record sheet, practice page and answer key included.

This single digit subtraction activity has kindergarten and 1st grade students draw apple number cards, subtract, and record each difference. Answer key included.

This subtraction in the garden subtraction activity lets kindergarten and 1st grade children plant, pick and count paper vegetables to solve take-away problems within 10. Answer key included.

This subtracting ten writing equations worksheet has first graders write number sentences from picture groups with a row of ten crossed out, then solve subtract-ten facts. An answer key is included.

Practice taking away eight with this subtract eight matching worksheet for 1st grade. Kids match six facts, then solve four more, and an answer key is included for fast, easy checking.

Students solve six holiday math facts and color a picture bar graph in this St Patricks Day graphing worksheet, then answer five questions about their data. Built for 1st grade with an answer key included.

Using Adding to Make 10 Activity, students match addition equation cards with missing addend cards to show equations that make 10.

In this 1.OA.5 First Grade Common Core Lesson, students will practice counting backward from 10 using a number line.

In this 1.OA.7 First Grade Common Core Lesson, students will decide given equations are true or false to understand the meaning of the equal sign.