IXL Lessons / First Grade - Operations and Algebraic Thinking
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First Grade - Operations and Algebraic Thinking

8 standards with IXL exercises (8 ⭐ power standards)

1.OA.1

I can solve addition and subtraction word problems within 20.

IXL Exercises (5):

Count Pictures Up To 20 Word Problems With Sum Or Difference Unknown Up... Word Problems Involving Addition And Subtractio... Addition And Subtraction Sentences For Word Pro... Match Word Problems To Addition And Subtraction...

1.OA.2

I can solve word problems by adding 3 numbers whose sum is less than or equal to 20.

IXL Exercises (1):

Add Three Numbers Word Problems

1.OA.3

I can use the commutative property to add numbers. I can show that 8+3 has the same sum as 3+8. I can show that 2+6+4 has the same sum as 2+10.

IXL Exercises (5):

Use Addition To Subtract Up To 10 Fact Families Up To 10 Add And Subtract With 0 Use Addition To Subtract Up To 20 Fact Families Up To 20

1.OA.4

I can use an addition fact to help me answer a subtraction problem.

IXL Exercises (5):

Complete The Addition Sentence To Make Ten Complete The Addition Sentence Sums Up To 10 Relate Addition And Subtraction Sentences Up To 20 Complete The Addition Sentence To Make Ten With... Complete The Addition Sentence Sums Up To 20

1.OA.5

I can use counting to solve addition and subtraction problems.

IXL Exercises (5):

Add By Counting On Sums Up To 10 Add By Counting On Sums Up To 20 Subtract By Counting On Up To 10 Subtract By Counting Back Up To 20 Subtract By Counting On Up To 20

1.OA.6

I can add and subtract within 20.

IXL Exercises (5):

Relate Addition And Subtraction Sentences Up To 20 Fact Families Up To 20 Add And Subtract With 0 Addition And Subtraction Facts Up To 20 Addition And Subtraction Ways To Make A Number

1.OA.7

I can understand the equal sign and if equations are true or false.

IXL Exercises (5):

Addition And Subtraction Sentences To 10 Which ... Which Sign Makes The Number Sentence True Up To 10 Addition And Subtraction Sentences To 20 Which ... Which Sign Makes The Number Sentence True Complete Addition And Subtraction Equations Up ...

1.OA.8

I can find the missing number in an addition or subtraction problem.For example, I can find the missing number in the problem 8+__ = 11 or 5 = __- 3.

IXL Exercises (5):

Complete The Addition Sentence To Make Ten With... Add Doubles Complete The Sentence Complete The Addition Sentence Sums Up To 20 Complete The Subtraction Sentence Up To 20 Complete The Addition Or Subtraction Sentence U...