2nd Grade Addition/Subtraction
Solve 125 +20
145
In 547 the value of the 7 is?
The value of the 4?
The value of the 5?
one
ten
hundred
What is the name of the measuring tool used to measure small objects?
A ruler.
What is the name of the shape that has 3 sides, 3 vertices, and 3 angles.
A triangle
A bakery has 14 muffins. The baker makes 21 more muffins. How many muffins are there in all?
35 muffins
Solve 19+34
53
What is the value of 9 in the number 902?
900
Which two units can be used to measure the length of a hamster?
inches and centimeters
How many corners does a circle have?
0
Kelly has 53 magnets. Then she gives 27 to her sister. How many magnets does Kelly have now?
26 magnets
Solve 320-123
197
149, what form is the number written?
Standard Form
What unit is about the same size as the width of your thumb?
inches
A ______ has five sides and 5 vertices?
Pentagon
What does the U stand for in our problem solving investigations?
Underline
Estimate and rewrite the number sentence.
125+89
100+90 or 100 + 100
What is the value of 2 in 123?
20, 2 tens
What unit is about the size of your elbow to your wrist?
feet
How many sides does a quadrilateral have?
4 sides
There were 11 birds on a tree. Then 3 of the birds flew away. How many birds are left on the tree?
What is the keyword(s) that helps you decide if you are going to add or subtract?
left
Arrays are things put into _______ and ______.
rows and columns
100+40+9 is what form?
Expanded Form
How many feet are in one yard?
3
What shape has 8 sides?
An Octagon
28 trucks are blue. 32 trucks are yellow 17 trucks are green. 11 trucks are pink. How many trucks are there in all?
88 trucks