5 * 3 = 3 * ?
5
The identity property says that you can multiply by 1 and you are always going to get the original number is which property?
identity property of multiplication
13 x 1= 13
Identity Property
What is the missing factor?
3x4= 12
4x3=12
?
12/3=4
12/4=3
Shayla needs to be at cheer practice at 6:45 pm to be on time. Her house is 30 minutes away. When should she leave to arrive on time?
6:15 pm
Must include pm.
Olivia bought a pencil and an emoji eraser for 75ยข from the school store. She paid with a $1 bill. How much change did Olivia receive?
.25 cents
Sherri said because he knows 6 x 4 he also knows 4 x 6. Is he correct? Explain.
Yes, he is correct. The commutative property says you can just turn the numbers around and get the same product.
The zero property says that the sum of any number and zero is always the number.
additive identity or or identity property of addition
8 * 2 * 6 = 6 * 2 * 8 and Solve
Commutative Property of Multiplication
What are the fact families of:
5x6
Remember Fact families include multiplication and division and there are 4 equations in a family.
5x6=30
6x5=30
30/6=5
30/5=6
What are the first 6 multiples of 9
9, 18, 27, 36, 45, 54
Write 209,640 in word form.
Two hundred and nine thousand, six hundred forty
Give an example of the commutative property of addition.
4 + 6 = 6 + 4
True or false:
0 x 12 is identity property of multiplication?
false.
Any number multiplied by zero equals zero.
Zero Property of Multiplication
Which equation does not belong in this fact family?
8 x 6=48
6 x 8=48
48 x 12=4
48 / 8= 6
48 x 12=4
If, 12 inches = 1 foot, then how many inches are 6 feet.
72 inches = 6 feet
Must say inches
A package of 22 colored pencils costs $4. Kelsey spent $12 on colored pencils for her brothers and herself. How many colored pencils did Sara buy in all?
66 colored pencils, 3 packs
Give an example of the Commutative Property of Multiplication.
5 * 6 = 6 * 5
Give an example of the Identity Property of Multiplication
5 x 1 = 5
19 + 0 = 19
Identity Property of Addition
Devon wants to seperate his 24 action figures equally into 3 boxes. He writes this equation to find out how many figures to put in each box.
24 / 3= ?
What equation will help Devon find the quotient?
3 x 8=24
Mr. Smith took his wife and 3 children to see a movie. He spent a total of $34 for tickets. An Adult ticket cost $8. How much does a child's ticket cost?
$6
Deja logged 161 minutes of reading on her reading log last week. This week she logged 50 more minutes of reading than last week. How many minutes did Deja log for both weeks combined?
Extra 200: About how many hours did she read?
372 minutes
Explain the commutative property of multiplication.
The commutative property of multiplication says that you can change the order of the factors and still get the same product.
True or False
0 + 10 is an example of additive identity
The phrase "Mix it Up" describes which property?
Explain the relationship between Fact Families.
Fact Families are a group of math facts that use the same numbers.
They can be used to help solve the inverse operation.
Answers may vary
Roger collects bugs. He knows that insects each have 6 legs and spiders each have 8 legs. Arnell collects 7 insects and one spider. How many total legs do the bugs in Roger's collections have?
50 legs
Megan had some coins in her purse. She used 6 nickels to buy a used book at a yard sale. Now she has 45 cents left in her purse. How much money did Megan have before she bought the book?
75 cents