Big Idea Mathematical Processes: Doing mathematics involves

a variety of processes including problem solving, reasoning, communicating, connecting and

representing.

4-2 In a two-digit number, what do the first and second digits tell you?

Write a two-digit number. _______

Draw a picture showing the tens and ones in your number.

If y

ou d

raw

a p

ictu

re o

f m

e, 1

hun

dred

2 t

ens

and

5 on

es,

wha

t nu

mbe

r am

I?

Dra

w a

pic

ture

to

solv

e.G

ive an example, using w

ords or pictures, why w

e group ones into tens.

4-2

In a two-digit number, what do the first and

second digits tell you?

Use words or pictures to show the decade number thirty in two different arrangements.

Big IdeaMathematical Processes: Doing mathematics involves a

variety of processes including problem solving, reasoning, communicating, connecting and representing.

4-3 How are the numbers through 99 written as words?

What is the value of the number word? Show it in three different ways.

Make a pattern using number words and have a partner find the missing number word. Example: one-hundred forty, one-hundred fifty, ___________, one-hundred seventy

How

man

y th

ree

digi

t n

umb

ers

can

you

ma

ke u

sing

the

dig

its 5

, 7,

9,

and

4?

Use

eac

h di

git

once

in e

ach

num

ber

. W

hat is the same about the num

ber words for 75,

175, and 1, 750? What is different?

4-3

Seventy-five

Big Idea Mathematical Processes: Doing mathematics involves

a variety of processes including problem solving, reasoning, communicating, connecting and

representing.

4-4 & 4-5 How can you use the symbols >, <, and = to compare two-digit numbers?

Count the number of desks and chairs in your classroom. Write a sentence using symbols to compare the numbers.

Create yo

ur o

wn

com

pariso

n w

ord

pro

blem

usin

g th

e n

um

bers 162 an

d 126 to

share.

4-4 & 4-5

How can you use the symbols >, <, = to compare two-digit

numbers?

Wh

at is

th

e g

reat

est

two

-dig

it n

um

ber

yo

u c

an m

ake

and

wh

at is

th

e g

reat

est

thre

e-d

igit

nu

mb

er y

ou

can

m

ake

usi

ng

th

ese

nu

mb

ers:

5, 3

, 7?

Put these numbers in order fromleast to greatest. 165, 301, 215

____ < ____ < ____On the back, draw place value blocks to show the value of each number and use symbols to compare.

Identify the missing number, and explain how you know it is the correct answer.

Choose a 3- digit number, and write a riddle using the words before, after, and between to describe the number. The answer to your riddle should be your number

Use

the

wor

ds before,

after

, a

nd between

to d

esc

ribe

143

.T

hink of an event in yo

ur life. U

se the words before, after, a

nd betw

een to de

scribe w

hen the event took place.

4-6 How can you find the number that is one before or one after

another number, or the number between two

other numbers?

40 43 46 52 55 ?

Using the digits 6, 4, 3, and 1, make as many numbers as possible each digit only once in each number. Then order your numbers from greatest to least.

Choose three 3-digit numbers, and order them from least to greatest. Explain the procedure for ordering these numbers.

The

gra

y ho

use

is n

ot

talle

r th

an t

he

blue

hou

se.

The

blu

e h

ouse

is

shor

ter

than

th

e ta

n h

ous

e. W

hich

hou

se is

tal

ler,

the

gra

y ho

use

or

the

tan

hou

se?

Exp

lain

how

yo

u go

t yo

ur a

nsw

er.

The ca

rrot cake is larger than th

e coconut cake. T

he coconut cake

is not smaller than the lem

on cake. W

hich cake is larger, the

lemon cake o

r the carrot cake? Explain how

you g

ot your answer.

How is the skill of comparing numbers

used to order numbers?4-7

Scott is coloring boxes in a pattern. He colors 7, 14, 21, and 28. What is the pattern? What will be the next

number?

Use a hundred chart. Circle in red the boxes in an “add 5” pattern starting with 10. Then circle in green the boxes in an “add 10” pattern starting with 10. Which numbers did you circle twice? Why are some numbers in an “add 5” pattern repeated in an “add 10” pattern?

Ty

is c

olo

ring

boxe

s in

an

“add

4”

patt

ern.

He

colo

rs 1

, 5,

9,

12,

and

17

. H

e h

as

mad

e a

mis

take

. W

hat

mis

take

has

he

mad

e? H

ow d

o yo

u kn

ow y

ou a

re c

orre

ct?

Jose is coloring o

n a hundred chart in an “add 3” pattern. H

e colors 32, 35, 3

8, 41, 45, 47 and 50. H

e has mad

e a m

istake

. Wh

at

mistake has she m

ade?

How can a number chart be used to show visual

and numerical patterns?4-8