Read and translate this sentence.
哥哥喜欢吃西瓜。
My brother likes to eat watermelon.
Which sign do you use for addition?
Plus sign, +
Which sign do you use for subtraction?
Which shape has three sides?
Triangle
Which is the shortest? Which is the tallest?
How many legs does a spider have?
8
Nothing, it stays the same.
(For our lesson) When subtracting, are you left with a smaller or larger number?
smaller
Which two shapes have four sides?
Square and rectangle
Which fruit is heavier?
Which popular female singer sang "Shake It Off"?
Taylor Swift
7+7
8+8
9+9
14, 16, 18
15-8
13-5
10-7
7, 8, 3
Name four household objects that are shaped like circles.
Answers may vary.
Some examples: orange, button, plate, car tire, dot
If you pour Cup A into Cup B and the water overfills and starts spilling out, which cup has a bigger capacity?
Cup A
Which dollar bill is Benjamin Franklin on?
$100
45+34+9
88
100-42
58
Name two ways you can group shapes.
Shape, color, size
mug, because it takes less mugs to fill the bowl.
What is the smallest state in the United States?
Rhode Island
What does commutative mean? Hint: Addition is commutative.
When you can switch the numbers and still get the same answer.
5+4=9
4+5=9
Is subtraction commutative?
No.
5-3 does not equal the same as 3-5.
What do you call a shape with 7 sides? 8 sides?
octagon
What is a unit?
The thing you use to measure.
If you measured the length of a book with paper clips, the unit is the paper clip.