**Free Math Worksheets for First Grade (w/ Answer Keys)**

The following **printable math worksheets for 1st grade** are from the *engageNY* K-12 math curriculum and are unchanged. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. You can access the official license by clicking here. You can access the entire engageNY **Grade 1 Mathematics **curriculum map and learning modules at engageny.org.

**Topic:** Sums and Differences to 10

**Analyze and describe numbers using 5-groups and number bonds**| Key**Reason about numbers in varied configurations using number bonds**| Key**See and describe numbers of objects using**| Key*1 more*within 5-groups**Solve**| Key*put together with result unknown*math stories by drawing and using 5-group cards**Solve**| Key*add to with change unknown*math stories using 5-group cards**Count on up to 3 more using numeral and 5-group cards and fingers**| Key**Count on to find the unknown part in missing addend equations**| Key**Understand the meaning of the equal sign by pairing equivalent expressions**| Key**Practice: Count on to add (emphasis on commutative property)**| Key**Practice: Writing number bonds and expressions (emphasis on commutative property)**| Key**Apply the commutative property to count on from a larger addend**| Key**Visualize and solve doubles and doubles plus 1 with 5-group cards**| Key**Look for and make use of repeated reasoning on the addition chart**| Key**Solve**| Key*add to with change unknown*math stories with addition, and relate to subtraction**Count on using the number path to find an unknown part**| Key**Practice: Using the number path to find an unknown part**| Key**Solve**| Key*add to with change unknown*math stories with drawings, relating addition and subtraction**Solve**| Key*take from with change unknown*math stories with drawings**Solve**| Key*put together/take apart with addend unknown*math stories**Model 0 less and 1 less pictorially and as subtraction number sentences**| Key**Practice: Write the missing number for each subtraction sentence (B)**| Key**Model**| Key*n*–*n*and*n –*(*n – 1*) pictorially and as subtraction sentences**Relate subtraction facts involving fives and doubles to corresponding decompositions**| Key**Relate subtraction from 10 to corresponding decompositions**| Key**Practice: Write the missing number for each number sentence (A)**| Key**Practice: Write the missing number for each number sentence (B)**| Key

**Topic: **Introduction to Place Value Through Addition and Subtraction Within 20

**Solve word problems with three numbers, two of which make ten**| Key**Use the associative and commutative properties to make ten with three numbers**| Key**Compare efficiency of counting on and making ten when one addend is 8**| Key**Share and critique peer solution strategies for**| Key*put together with total unknown*word problems**Subtract 7, 8, and 9 from teen numbers using drawings or number bonds**| Key**Share and critique peer solution strategies for**| Key*take from with result unknown*and*take apart with addend unknown*problems from the teens**Strategize to solve**| Key*take from with change unknown*problems**Strategize and apply understanding of the equal sign to solve equivalent expressions**| Key**Identify 1 ten as a unit by renaming representations of 10**| Key**Solve addition and subtraction problems by decomposing**| Key**Solve addition problems using ten as a unit, and write two-step solutions**| Key**Solve subtraction problems using ten as a unit, and write two-step solutions**| Key

**Topic:** Ordering and Comparing Length Measurements as Numbers

**Compare length using indirect comparison by finding objects**| Key*longer than, shorter than*, and*equal in length to*that of a string**Practice: Write the missing number (addition and subtraction)**| Key**Rename and measure with centimeter cubes, using their standard unit name of centimeters**| Key**Understand the need to use the same units when comparing measurements with others**| Key**Answer**| Key*compare with difference unknown*problems about lengths**Ask and answer varied word problem types about a data set with three categories**| Key**Ask and answer varied word problem types about a data set with three categories II**| Key