Basic Addition
4+4+4=
12
6 + k=11
What does k equal?
k=5
How many digits are in the number
567, 234, 192?
addition
combining of two groups into one group
Identity Property of Addition
An addend plus zero is the addend
8 + 0 + 7=
15
z + 5= 10
What does z =?
z= 5
What is the last digit in 2019?
9
symbol used when adding +
equation
the number sentence that used the symbol = to show that two quantities are equal
Write a number sentence for the dice on the board:
2 + 3 = 5
4 + 5 + 2 + q + 3= 21
What does q =?
q=7
20, 22, 24, 26, _____, 30, _____, 34
What is the rule and find the missing numbers?
rule: add 2
missing numbers 28 & 32
addends
the numbers that are added together
digit
numbers from 0-9 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
What are six ways to add 3, 4, and 5?
3 + 4 + 5=
3 + 5+ 4=
4 + 3+5=
4+5+3=
5+4+3=
5+3+4=
6 + q = 8
What does q = and is this an equation?
q= 2
Yes, this is an equation because there is an = sign
56, 53, 50, 47, ____, 41, 38, ____
What is the rule and find the missing numbers?
rule: subtract 3
missing numbers: 44, 35
sum
the answer when adding
sequence
arrange in an order
Is this an equation? Why or why not?
8 > 4
No, there is no = sign
7 + 4 + 8 + r = 22
What does r =?
r = 3
Make your own sequence with TWO missing numbers to find.
State the rule.
Share your answer
Commutative Property of Addition
When the order of addends change, the sum stays the same
What does it mean to find the "rule" in a sequence?
rule: what is happening to the sequence to make it get bigger or smaller