3rd grade math requires your child to learn how to:
Put in order, count, and make groups of : 10, 100, 1000.
example: 100 is made of 10 -10's or 240 is made of 24-10's
Write, solve, and explain multiplication facts:example: 2x8 is 2 groups of 8.
Many 3rd grade classrooms require students to learn all their multiplication facts. It is important to know that these 3rd grade multiplication facts should be mastered first.
0's
Once the above are mastered, here are the rest (fluent recall of the following are not required until 4th grade; spend 3rd grade truly understanding them and 4th grade increasing speed and accuracy):
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Count by 2's,4's 5's, and 10's to 1000 starting at any given number.
Understand that repeated addition is multiplication when your thinking about whole positive numbers.
Understand and explain the "communicative property" when it comes to multiplication. (example: 2x5 is the same as 5x2).
Dear Parent,
The following multiplication words might serve helpful to you as you help your child with 3rd grade math:
Repeated Addition:
Definition: When the same numbers are added over and over again.
A simpler way of reaching the same result is to use multiplication.
For Example: If you know there are 5 pennies in every nickel and you have 7 nickels, how would you figure out how many pennies are in 7 nickels? You could add 5, seven times: 5 + 5 + 5 + 5 + 5 + 5 + 5 = 35 or You could simply multiply 5 X 7= 35!
Grouping
Definition: Making equal groups.
For Example: 3 groups with 4 in each group is 3X4=12 AND 4 groups with 3 in each one is 4x3=12
Skip Counting:
Definition: Counting by a specific number.
For example, we could skip count by 4= 4, 8, 12
Arrays:
Definition: Another way to represent multiplication. 2 rows of 3 objects.
2 X 3 = 6.
Multiplication Tables:
Definition: The tried and true table of multiplication facts. We use the multiplication table to find the product of 3 and 9, locate 3 in the first column and then find 9 in the top row. Follow the 3 row to where it meets the 9 column. The number in the square where the column and row meet is the product.
Warning: Do not let your child rely on the multiplication table to do their homework.
Knowledge is power.
Yours Truly,
The Crazy Math Mom
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- by Dacia Myhre
Dacia Myhre is a National Board Certified Elementary Teacher, Homeschool Coordinator, Instructional Coach, and Mother of 4. |
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