Here you will find many important 4th grade math concepts taught in 4th grade. Teachers, parents, and math teachers can also use it as a guide to illustrate a math lesson or teach key skills that children should know about in 4th grade math.

beam 
Add mixed numbers 
Compare fractions 

What number can be read as six thousand, four hundred eightyseven? A. 64087 B. 6087 C. 6487 D. 8764 
Read whole numbers 
What number can be read as six thousand, four hundred eightyseven? A. 64087 B. 6087 C. 6487 D. 8764 
Right group 

Benchmark fractions in 4th grade math 
Congruent shapes Shapes are congruent when they are the same shape and size. 
Common denominator 
Subtraction algorithm 4 5 6 
4th16 4 5 6 314th16 
Subtraction algorithm 4 5 6 
4th16 314th16 

Protractor A used geometric tool 
arc An arc is part of a circle. The bow is shown in orange. 

Angle measure The right angle measures 150 degrees 
150 degrees

equation A math theorem with equal signs. The equal sign separates the left side from the right side. The amount on the left side of the equation is always equal to the amount on the right side. 
4 + 6 = 10 1 + 12 = 13 20 = 9 + 11 
equation A math theorem with equal signs. The equal sign separates the left side from the right side. The amount on the left side of the equation is always equal to the amount on the right side. 
4 + 6 = 10 1 + 12 = 13 20 = 9 + 11 
Tenths and hundredths Tenth: one of the same parts when a whole is divided into 10 equal parts. Hundredths: one of the same parts when a whole is divided into 100 equal parts 
Hundredths 

Cutting lines 

Put the following decimal places in the order from largest to smallest. Reply : 
Mixed number 
Formulas 
Area = length x width Circumference = 2 x length + 2 x width 
More 4th grade math concepts
circle 
tenth 

Composite number 
12, 9 and 8 
Factor pairs A pair of factors relates to 
Factor pairs of 12 
Factor pairs A factor pair refers to a set of two numbers when multiplied to get a specific product. 
Factor pairs of 12 
Obtuse angle An angle greater than 90 degrees 
Decimal 
10.50 5.25 61.0 0.40.333 
Series of numbers 
appropriateness 
What is the product 
Multiplicative comparison Peter has 5 times 4 = 20. Together they have 20 + 4 = 24 
John has 4 tennis balls. Peter has 5 times as many How lots of tennis balls do 
Multiplicative comparison Peter has 5 times 4 = 20. 
John has 4 tennis balls. 
scope Circumference = 2 x length + 2 x width Area = 6 x 2 = 12 

What is the value 


Template: 
12 15 18 
Break down a fraction 
3/5 = 1/5 + 1/5 + 1/5 
Break down a fraction 
3/5 = 1/5 + 1/5 + 1/5 
Example of prime numbers 
5, 7 and 13 
comma The decimal point is the point (.) Separating the whole number from the fraction in decimal notation. 

Order of operations 
3 + (2 + 4) x 5 
Order of operations 
3 + (2 + 4) x 5 
Notice the 4th grade math concepts on this page
Make sure students understand most of the math skills taught above in 4th grade math. If you want to measure your understanding of the math skills taught in 4th grade math, please check out this 4th grade math test