Review of Addition
3 + 5 + 4 =
12
6 + b + 5 = 17
b = 6
The number 64,000 has how many digits?
5 digits
The digit 5 is in what place in 753?
tens
What is the first month in the year?
January
Samantha saw 5 trees in the east field, 3 trees in the west field, and 4 trees in the north field. How many trees did Samantha see in all?
12 trees
4 + 3 + 2 + y + 6 = 20
y = 5
What is the last digit of 263?
3
What number is five hundreds, one ten, and two ones?
512
What is the fifth month in the year?
May
2 + n = 11
n = 9
8 + k + 6 = 18
k = 6
Find the rule in this counting sequence. Then find the missing number in the sequence.
3, 7, 11, __, 19
15 (Rule: +4)
Draw a picture for $101.
1 hundred and 1 one
There are ten children in the lunch line. Zoey is fourth in line. How many people are in front of Zoey?
3 people
What is the commutative property of addition?
When we add two numbers, either number may be first.
2 + x + 7 = 11
x = 2
Find the rule of this counting sequence. Then find the missing number in the sequence.
30, 27, 24, 21, __, 15
18 (Rule: -3)
Draw a diagram to show $342.
3 hundreds, 4 tens, 2 ones
There are eleven children in the lunch line. Amelia is fifth in line. How many people are behind her?
6 people
What is the identity property of addition?
When adding zero to a number, the number does not change.
4 + c + 2 + 3 + 5 = 21
c = 7
How many different three-digit numbers can you write using the digits 1, 2, and 3?
123, 132, 213, 231, 312, 321 (6 ways)
The digit 5 is in what place in 589?
hundreds
Emma is 13th in line. Brett is 3rd in line. How many students are between Emma and Brett?
9 students