2ND GRADE MATH2nd 9 Weeks

Whole Numbers 0-500

Match the numbers on the left with its word form on the right:

247188423350315407

four hundred seventhree hundred fiftythree hundred fifteentwo hundred forty sevenone hundred eighty eightfour hundred twenty three

Write the standard form for: four hundred two _______

Whole Numbers 0-500

Match the numbers on the left with the expanded form on the right:

405250115286429372

300 + 70 + 2100 + 10 + 5200 + 80 + 6400 + 20 + 9400 + 5200 + 50

Write the expanded form for the number 347 : ______________

Whole Numbers 0-500

Match the numbers on the left with the base ten model on the right:

305

350

229

Whole Numbers 0-500

What digit is in the tens place?

265305429

What is the value of the underlined digit?

305250219

Compare and Order Numbers 0-500

Circle the LARGEST number in each column:

132289295

Draw a square round the SMALLEST number in each column:

16769

160

445243344

362195269

367269362

365440344

Whole Numbers 0-500

Write the number that comes before and after the given number:

429350237

Write the number that is ten more and ten less than the given number:

463320229

Compare and Order Numbers 0-500

Write the following numbers in order from least to greatest:

432 435 426

Write the following numbers in order from greatest to least:

299 372 408

Compare and Order Numbers 0-500

Fill in the missing numbers from a hundred’s board:

204

222

215

Rename Numbers 0-500

Write the following numbers in standard form:

4 hundreds 5 tens and 16 ones = __________2 hundreds and 25 ones = __________

= __________

= __________Write the number 243 in two ways:

Problem Solving- Focus on composing

Mark has 3 tens rods and 7 ones units. Karen has 4 tens rods and 8 ones units. Draw a picture to show how many units they have in all. Remember to rename your units.

Evan saw wrote 35 sight words. His best friend Cal wrote 19 sight words. How many sight words did they write in all. Show how you solved your problem. Note to parents: I’m sure you called it

“carrying” or “carrying over”. Some people call it regrouping or renaming. Another term we use is composing. Please know that they are all the same. I promise- we don’t change it just to frustrate you.

Addition Strategies

Use your strategies to add the following numbers:

263 + 100 = 103 + 200 = _________ _________ Use your strategies to subtract the following numbers:

253 - 100 = 411 – 200 = _________ _________

Problem Solving- The “give one” strategy

“Give one” from one number to make an easier number to add:

Example: 59 + 33

59 + 33

Give o

ne fr

om

here

to h

ere 60

+ 32

This

is what

you

get-

easie

r to

add

60 + 32 92

39 + 74

159 + 115

49 + 26

Explain why the “give one” strategy works.

Problem Solving- Adding with composing

Show a number sentence and solve for both. Show how you regroup.

Using base ten blocks, draw an example of how to add 123 + 237.

+ +

Problem Solving

Kesha had 487 gumballs. She passed out 124 gumballs to her friends. Which answer would be the closest to how many gumballs she had left?

a. more than 500 gumballs b. less than 20 gumballs c. more than 300 gumballs

Rex counted 123 pennies in his bank on Monday, 89 pennies on Tuedsay and 212 pennies on Thursday. Which answer would be the closes to how many pennies he counted in all?

a. more than 400 pennies b. less than 200 pennies c. more than 600 pennies

Geometry

If this shape were cut in half, which 2 shapes would you get? Draw and explain:

Remember:

squaretriangle

rectanglecircle

trapezoidhexagonrhombus

parallelogram

If this shape were cut in half, which 2 shapes would you get? Draw and explain:

Geometry

If this shape were cut in half, what would the shape of the new face be?

Draw and explain:Know:cube

spherecone

triangular prism

rectangular prismfaceedge

If this shape were cut in half, what would the shape of the new face be?

Draw and explain:

Measurement

Would you use inches, feet or yards to measure the following:The length of a dog’s tail__________

The length of your backyard__________

The length your desk__________

The height of a tree__________

Sarah used two yards of fabric. How many feet long was this fabric?________________

Barney built a tower that was 36 inches tall. How many feet and how many yards was his tower? ______feet________inches

Graphing- Venn Diagram

Has a pet dog Has a pet cat

How many kids have a dog for a pet?How many kids have ONLY a cat for a pet?How many kids do not have a dog OR a cat?How many kids have BOTH a dog AND a cat?

Graphing- Venn Diagram (3 sets)

Is a boy Has a brother

How many kids have a brother? ___________How many boys have brown hair? _____________How many people do not have brown hair? __________How many girls have a brother? _____________

Has brown hair