2nd Grade Addition/Subtraction
Solve 125 +20
145
What is 275 in expanded form?
200 + 70 + 5
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
Camila collects magnets. She has 153 magnets. Then she gives 27 to her sister. How many magnets does Camila have now?
26 magnets
Solve 320-123
197
What is the value of 8 in the number 487?
What is 8 tens, or 80.
What unit is about the same size as the width of your pinky?
centimeter
This shape has four equal sides and 4 vertices, but no right angles. What is this shape?
rhombus
Mrs. Zuniga has a quarter, 3 dimes, 4 nickels, and 11 pennies. How much money does she have in all?
How much more money would she need to have $1.00?
She has 86 cents.
She needs 14 cents more to make $1.00.
Regroup/ Do not regroup?
125+89
regroup
What is the value of 3 in 123?
3, 3 ones
What unit is about the size of your elbow to your wrist?
feet
How many sides does a quadrilateral have?
4 sides
Ony has a collection of 16 toy cars and he wants to put them in equal groups. Make a math drawing and write a repeated addition sentence to show how Ony can group his cars.
2 group of 8 (8+8)
8 groups of 2 (2 + 2 + 2 + 2 + 2 + 2 + 2 + 2)
4 groups of 4 ( 4 + 4 + 4 + 4)
Use a picture model to solve
78 + 15
93
Explain the rule for how many ones, tens, and hundreds are needed to create the next largest unit.
10 ones = 1 ten
10 tens = 1 hundred
10 hundreds = 1 thousand
What unit is about the same size as the width of a doorway?
A yardstick
Please complete the sentence:
If you know the number of sides and angles, you also know the number of _______.
vertices
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