Find here many important first grade math concepts taught in first grade. Teachers, parents, and math tutors can also use them as a guideline to illustrate a math lesson or to teach important skills that kids are supposed to know in first grade math.
Equal parts or equal shares The orange circle has 2 equal parts. 
Arrays 
Quarter 

Closed figure All sides of a closed figure are connected. 
Hour hand The hour hand takes 1 hour to move from a number to the next. Hour or hr = 60 minutes. 
Estimate Possible answers: 15, 14, or 17 
Commutative property 


Cube: 

Start at 3 and count 2 more to reach 5. 
Number A number indicates how many or how much. A numeral is used to represent the number of objects. For example, after counting the pencils on the right, we get 4. We use the numeral 4 to represent 4 pencils. 
3dimensional shapes. 

Minute hand The minute hand takes 5 minutes to move from a number to the next. Minute = seconds. 
Different 
Counting down Start at 6 and count backward to reach 2. 
Composite shape The arrow on the right is a composite shape since it is made from 2 basic shapes ( a triangle and a rectangle) 

Expression An expression has no equal sign 
Coins 
Equation always have an equal sign. The amount on the left side is equal to the amount on the right side. 
Dec 11, 17 08:45 AM
Learn how to estimate fractions with this easy to follow lesson.
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Dec 11, 17 08:45 AM
Learn how to estimate fractions with this easy to follow lesson.
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