Array Vocabulary
What do you mean by ARRAY?
Arrangement of objects in rows and columns
3 x 2 = ?
3 x 2 = 6
3 groups of 4 means what as repeated addition?
4 + 4 + 4 = 12
True or False:
Rows run horizontally.
True.
What are EQUAL GROUPS?
Groups with same number of objects.
10 x 4 = ?
10 x 4 = 40
TRUE OR FALSE: Multiplication is repeated addition
TRUE
This word describes a set of objects arranged neatly in rows and columns to help visualize multiplication.
An array.
What do you mean by FACTORS?
The numbers multiplied to obtain a product.
2 x 7 = ?
2 x 7 = 14
2 x 4 = 8, could be what as repeated addition?
2 + 2 + 2 + 2 = 8
or
4 + 4 = 8
8 x 7 = ?
8 x 7 = 56
What is REPEATED ADDITION?
Adding the same number repeatedly
3 x 6 = ?
3 x 6 = 18
3 + 3 + 3 + 3 + 3 + 3 = 18
or
6 + 6 + 6 = 18
How can you find the total number of items in an array (not counting)?
What is PRODUCT in a multiplication equation?
The answer in a multiplication problem!
3 x 4 = ?
3 x 4 = 12
7 groups of 9 means what as repeated addition?
9 + 9 + 9 + 9 + 9 + 9 + 9 = 63
Which of the following is NOT true about arrays?
A) Arrays show multiplication visually
B) Arrays always have the same number of rows and columns
C) Arrays can be used to model area
B) Arrays always have the same number of rows and columns IS NOT TRUE