Subtract numbers under 10.

Draw pictures to represent math problems under 10

Select the math problem that matches the image shown.

Fluently add and subtract numbers up to 5.

Find the whole number that solves the equation. Practice both addition and subtraction.

Practice addition and subtraction under 100.

Practice Subtraction with Word Problems Under 20.

Practice subtraction. Understand subtraction as an unknown-addend problem.

Use addition and subtraction to solve word problems up to the number 20.

Fluently add and subtract within 20 using mental strategies. CCSS.Math.Content.2.OA.B.2

Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

Practice for CCSS.Math.Content.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.

CCSS.Math.Content.1.OA.D.7 Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.

Practice for CCSS.Math.Content.1.OA.D.8. Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.

Practice CCSS.Math.Content.1.NBT.C.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

Practice for CCSS.Math.Content.1.NBT.C.6 Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies.

CCSS.Math.Content.2.OA.A.1 Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.1

CCSS.Math.Content.2.OA.B.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

Practice for CCSS.Math.Content.2.NBT.B.7. Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

Online Worksheet for CCSS.Math.Content.2.NBT.B.8 Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.

Online Worksheet for CCSS.Math.Content.2.NBT.B.9 Explain why addition and subtraction strategies work, using place value and the properties of operations.1

The timed addition basic math facts game provides random questions for quizzing your student.

Practice basic math facts! Select subtraction, addition, multiplication or division.