Addition and Subtraction
What is the answer you get when you add two numbers together called?
Sum
In the number 15, there is 1 ten and this many ones.
5 ones
This coin is brown and worth 1 cent.
Penny
This shape has 3 sides and 3 vertices (corners)
Triangle
When measuring a desk with paperclips, you must make sure there are no gaps and you start at.....
Zero or 0
What is the answer you get when you subtract one number from another called?
Difference
This is the value of the 4 in the number 42.
40 or 4 tens
This coin is worth 10 cents.
A Dime
When you cut a pizza into two equal pieces, each piece is called a...
half or one-half
We use these marks (vertical lines with a slash for five) to count data quickly.
Tally Marks
If 8 + 2 = 10, then 10 - 2 equals this number.
8
This symbol (<, >, or =) is used to show that 25 is smaller than 52.
25 < 52
On an analog clock, the "long hand" points to this number to show it is a new hour (o'clock).
12
This 2D shape has 4 equal sides and 4 square corners.
Square
True or False: You should always start measuring at the "1" mark on a ruler.
False, you start at 0!
If 9 - 6 = 3 then what is 9 - 3 = ?
6
If you have 3 tens and 6 ones, you have this number.
36
You need this many quarters to make one dollar, $1.
4 Quarters
If you cut a square into four equal parts, each part is called a...
fourth or one-fourth
If a blue ribbon is 12 inches long and a red ribbon is 8 inches long, how much longer is the blue ribbon?
4 inches (12 - 8 = 4)
What is it called when there are three numbers that work together, like 3, 4, and 7.
Fact Family
Starting at 45, if you "count on" by tens, the next two numbers are...
55 and 65
If the hour hand is on 4 and the minute hand is on 6, the time is...
4:30
A stop sign shape has 8 sides, what is that shape called?
Octagon
There was a survey done at Bay Meadows, 8 students said they like the playground, 5 students said they like the bus loop and 3 students said they like the bike racks.
How many students in all were surveyed?
16 students were surveyed