Addition/Subtraction
What is the math vocabulary word for the answer to a subtraction problem?
Difference
Jada has 8 pencils. Marcus has 24 pencils.
How many times as many pencils does Marcus have?
Marcus has 3 times as many pencils as Jada.
4 x 3 = ?
4 x 3 = 12
I have 4 in the thousands place, 7 in the hundreds place, 0 in the tens place, and 9 in the ones place.
What number am I?
4,709
What is the answer to an addition problem?
The Sum
A dog weighs 12 pounds. A cat weighs 4 pounds. How many times as heavy is the dog?
3 times
True or False- The value of a digit is where it sits in a number.
ex. In 352 the value of the 3 is hundreds.
False!
Value is how much the digit is worth based on its place value.
Bonus: In 352, the value of the 3 is?
5 x 4 =?
5 x 4 = 20
I have...
An even digit below 3 in the ones place
An odd digit in the thousands place above 8
A 2 in the tens place
a 5 in the hundreds place
8,520
what is the sum?
27,944 and 4,922
32,866
A bookshelf has 72 books. Another shelf has 9 books. How many times as many books are on the first shelf?
8 Times
True or false, A decade is a period of 10.
True!
6 x 3 =?
6 x 3 = 18
Write the following number in expanded form.
7,831
7,000 + 800 + 30 + 1
When do I need to regroup in Subtraction?
When the digit I am subtracting by, is larger than my first number.
ex. 4
- 9
A movie theater has 96 adults and 12 children. How many times as many adults are there as children?
8 Times
For a class potluck, 6 students each bring 8 cupcakes, 4 students each bring 6 cookies, and the teacher brings 24 brownies.
Is 96 the answer true or false?
True
8 x 7 = ?
8 x 7 = 56
I have 6 digits. My hundred-thousands digit is 3, my ten-thousands digit is 7, my thousands digit is 2, my hundreds digit is 9, my tens digit is 5, and my ones digit is 1.
What number am I?
372,951
Solve to find the difference.
4177 and 3,523 = ?
654
A zoo has 16 monkeys. It has 6 times as many birds as monkeys. How many birds does the zoo have?
96 birds
Round the following number to the nearest 1,000.
768,582
769,000
12 x 11 = ?
12 x 11 = 132
I am a number that...
Has a sum of 2+7 in the ones place
Has a digit larger than 8 in the ten thousands place.
Has a digit that is even and less than 5 but greater than 2 in the hundreds place.
Has a 8 in the thousands place.
Has a digit that is even and less than 5 but not 4 or 0.
98,429