Shapes
Which are NON-DEFINING attributes?
a. color
b. number of sides
c. open or closed shape
d. size
a. color
d. size
8 + 2 = ? + 8
2! commutative property!
Which equation matches the scenario?
5 ducks were at the pond. some more ducks waddled to the pond. Now there are 9 ducks at the pond. How many ducks waddled over?
a. 5 - ? = 9
b. 5 + ? = 9
c. 9 + 5 = ?
d. 9 = ? - 5
b. 5 + ? = 9
Bonus question 5!
Count ten more using a 120 chart!
Printed practice!
57
Which are DEFINING attributes?
a. all rectangles are large
b. all rectangles have 4 sides
c. all rectangles are orange
d. all rectangles are closed shapes
b. all rectangles have 4 sides
d. all rectangles are closed shapes
___ = 5 + 8
13
Which equation is true?
a. 12 - 7 = 7 - 12
b. 15 + 2 = 15 - 2
c. 8 + 8 = 16 - 4
d. 18 - 6 = 6 + 6
d. 18 - 6 = 6 + 6
bonus question 2!
Count the dots.
Write the number of dots.
42
Bonus question 4:
On printed paper.
Which shows a shape partitioned into fourths?
c.
____ = 16 - 7
9
Which equation is false?
a. 5 + 2 = 2 + 5
b. 16 - 8 = 10 - 2
c. 13 - 7 = 13 + 7
d. 9 + 2 = 13 - 2
c. 13 - 7 = 13 + 7
Bonus Question 3:
Use printed paper.
Which shapes have been partitioned in halves?
b
12= ___ - 6
18
Which equation can help you solve 15 - 8= ?
a. ? - 15 = 8
b. ? + 8 = 15
c. 8 - 15 = ?
d. 15 + 8 = ?
b. ? + 8 = 15
Bonus question 1:
Look at extra printed paper.
Which shapes were used to create the composite shape?
b
Mrs. Young has 8 students who made it to the March Madness carnival. Ms. Eston had 6 students make it. Mrs. Donaldson had 4 students make it. How many students went to the March Madness carnival?
8 + 6 + 4 = 18
What number makes the equation true?
10 = ? - 7
17