Finely Structured Comprehensive Basic Math Lessons
They are structured based on the U.S. Common Core State Standards for mathematics and were developed in consideration of the latest curriculum of each country.
Interactive Math Lessons Suitable for Children
Today's Adventure
You can steadily improve your math skills by taking 10-15 minutes every day.
Free Choice Mode
Children choose the activity they want and play whatever stage they want.
Mission Mode
Develop your math skills in each area with more than 70 missions that reflect the standard curriculum.
Catch the Monsters
You can enhance your learning and collect monsters with the Monster Quiz.
Accessibility
You can play in 8 languages, and children with various needs can enjoy it with settings such as number pad mode, left-handed mode, and dyslexia friendly font (English).
Parents Page
You can set the level and various options according to the progress of your children as well as check their progress.
Todo Math Curriculum Overview
Contains math content from preschool to 2nd grade.
- Level A — Count to 10 and name shapes.
- Level B — Count to 20 and add & subtract numbers within 5.
- Level C — Order numbers up to 20, add & subtract numbers within 10, and tell time.
- Level D — Understand place values of two-digit numbers and identify attributes of shapes.
- Level E — Add & subtract numbers within 20 and divide shapes equally.
- Level F — Understand place values of three-digit numbers, measure length with a ruler, and graph data.
- Level G — Express three-digit numbers as the sum of hundreds, tens, and ones, add & subtract two-digit numbers, and learn how to multiply.
- Level H — Understand the concept of division, fractions, and the attributes of 3D shapes.
Todo Math Lesson Objectives by Level
Level A
Read, count, and write numbers up to 10. Identify 2D shapes with proper names as well as basic patterns.
Numbers up to 10
Children can read, count, and write numbers up to 10 with the corresponding group of objects.
Basic Shapes
Children can identify the names and characteristics of basic shapes.
Patterns
Children can identify and complete AB patterns with various objects.
Level B
Read, count, and write numbers up to 20. Decompose a number within 5 and add & subtract numbers. Compare the quantities of numbers under 10. Begin classification activities based on size and color.
Numbers up to 20
Children can read, count, and write numbers up to 20 with the corresponding group of objects.
Addition and Subtraction of Numbers within 5
Children can add and subtract numbers equal to or less than 5.
Compare Numbers within 10
Children can compare the quantities of numbers equal to or less than 10.
Patterns
Children can identify and complete ABC patterns with various objects.
Level C
Compare the quantities and order numbers up to 20. Add and subtract numbers within 10. Tell time in hours.
Order Numbers up to 20
Children can compare the quantities and order numbers up to 20.
Addition and Subtraction of Numbers within 10
Children can add and subtract numbers equal to or less than 10. They also find the number that makes 10 when added to the given number.
Count by 10s
Children can count by 10s within 100.
Tell Time
Children can read time in hours from the clock.
Level D
Count and write numbers to 120 and count by 2s or 5s. Decompose two-digit numbers as tens and individual units. Fluently add and subtract numbers within 10. Tell time in hours and half hours. Distinguish sides of a 2D shape.
Numbers to 120
Children can read, count, and write numbers up to 120 with the corresponding group of objects.
Two-Digit Numbers
Children can decompose two-digit numbers as tens and individual units and compare the quantities of two-digit numbers based on place value.
Fluent Addition and Subtraction of Numbers within 10
Children can add and subtract numbers equal to or less than 10 with fluency.
2D Shapes
Children can tell the definition of sides and numer of sides a shape contains.
Tell Time
Children can read time in hours and half hours from the clock.
Level E
Place numbers in order based on place value within 100. Learn how to add with carrying and subtract with regrouping, and solve word problems. Also, practice addition and subtraction of tens, extending basic operations to 2-digit numbers. Identify 2D shapes based on attributes and partition them with equal shares.
Compare Numbers Based on Place Value
Children can compare numbers within 100 and put them in order based on place value.
Addition and Subtraction
Children can add single digit numbers with carrying and subtract numbers less than 20 with regrouping. Solve word problems containing addition and subtraction within numbers less than or equal to 10, and ptractice addition and subtraction of tens.
2D Shapes
Children can distinguish the attributes of plane shapes and divide them into 2 or 4 equal parts.
Measure Length
Children can measure the length of objects with length units.
Level F
Learn how to read and write three-digit numbers. Practice simple addition and subtraction of two-digit numbers. Understand the meaning of multiplication through addition of same numbers. Express information in graphs and anlayze them. Learn the names and characteristics of basic 3D shapes.
Count Numbers up to 999
Children can read and write three-digit numbers represented in hundreds, tens, and ones blocks
Addition and Subtraction
Children can add and subtract two-digit numbers based on place value and find unknown numbers in addition and subtraction equations.
Foundations of Multiplication
Children understand the meaning of multiplication by representing it through the repeated addition of the same numbers or the total number of objects arranged in a rectangular array.
3D Shapes
Children can identify 3D shapes with proper names.
Measure Length
Children can measure the length of objects with a ruler.
Data
Children can represent data with a table or graph Conversely, they interpret data on a given table or graph.
Level G
Understand the digit values of three-digit numbers and express them as the sum of hundreds, tens, and ones. Compare the quantities of three-digit numbers and place them in order. Practice adding and subtracting two-digit numbers.
Three-digit Numbers
Children can express three-digit numbers as the sum of hundreds, tens, and ones. Count numbers up to 1000 by 10s and place three-digit numbers in order.
Addition and subtraction of two-digit numbers
Children can add and subtract two-digit numbers with carrying and regrouping.
Multiplication Facts
Children memorize the multiplication tables from times 2 to times 9.
Tell Time
Level H
Understand the place value of three-digit numbers. Solve word problems containing addition and subtraction of three numbers. Learn how to add and subtract three-digit numbers and practice basic division. Explore the world of fractions and the attributes of 3D shapes.
Place Value of Three-Digit Numbers
Understand the principles of place value and know the exact value of each digit in three-digit numbers.
Addition and Subtraction of Three Numbers
Solve addition, subtraction, and word problems containing addition and subtraction of three two-digit numbers.
Addition of Three-Digit Numbers
Solve addition problems without regrouping in the range of three-digit numbers.
Division
Understand the principles of division and practice basic division without remainders.
Fractions
Comprehend the relationship between the whole and its parts, and represent the parts using fractions.
Attributes of 3D Shapes
Learn the attributes and know the number of faces, edges, and vertices of 3D shapes.