Table of Contents
What is the answer for 7×6?
42
28 +7 4 They are both right because counting-by 7 six times equals 42 and counting-by 6 seven times also equals 42, which is the answer to 7×6.
What is commutative property of multiplication?
The commutative property is a math rule that says that the order in which we multiply numbers does not change the product. Example: 8 × 2 = 16 \blueD8 \times \purpleD2 = \pink{16} 8×2=16.
How to explain multiplication?
Essentially, to multiply numbers is to add groups of a number. Multiplying means repeated addition of a number. (The number must all be the same before we can use it to multiply.) When you think of it this way, learning the Times Tables makes sense.
What might Matt tell his sister about solving 0 divided by 0?
a. What might Matt tell his sister about solving 0 ÷ 9? Explain your answer. If 0 is divided by any number, it is still 0because the amount you start with is 0 so there is nothing to divide.
What is equal to 9×8?
Understand the basics for 9 x 8 = 72 | Multiplication.com.
What are 2 examples of commutative property?
Commutative property of addition: Changing the order of addends does not change the sum. For example, 4 + 2 = 2 + 4 4 + 2 = 2 + 4 4+2=2+44, plus, 2, equals, 2, plus, 4.
What is the best way to teach multiplication facts?
The Best Way to Teach Multiplication | 5 Simple Steps
- Step one: start with physical manipulatives.
- Step two: introduce skip counting.
- Step three: highlight the commutative property.
- Step four: drill and practice multiplication facts.
- Step five: work with words.
Can you tell how many digits will be in the answer of a multiplication problem?
You can take log10 of each of the numbers being multipled, sum them, floor them, then add one to get the number of digits. i.e. In your last example of 2*12321*1000, which is actually equal to 24642000 (you missed a 0, so it has 8 digits).