Big Idea

Topic 6

What is a strategy can you use to

add 43 +30?

Diane has 15 jewels. She buys a bag of 40 more. How many does she have now?

Writ

e an

add

ition

sto

ry u

sing

30

and

anot

her

two-

digi

t nu

mbe

r.

Exp

lain

how

you

fou

nd t

he s

um?

Beginning w

ith 37, how m

any tens would you need

to get to the number 97? D

raw a picture to prove

your answer.

.

When tens are added to a two-digit number how does the tens digit in the

sum change? 6-1

If you have 17, how many ones do you need to make the next ten? Explain your answer.

How many strategies can you demonstrate to add 18 + 5? Show your work.

Dra

w a

pic

ture

to

show

how

to

add

a on

e-di

git

num

ber

to 1

9. C

reat

e a

wor

d pr

oble

m t

o m

atch

yo

ur d

iagr

am.

Would you use m

ake-ten strategy to make 36+

3?

How can you add a one-digit number to a two-digit number using the

make-ten strategy?6-2

Make a list of vocabulary words that you can use to solve addition problems.

A leopard gecko ate 34 crickets. Later that day he ate 14 more. How many crickets did he eat in all? Explain your answer and what strategy you used.

Writ

e a

real

-life

sto

ry a

bout

13

+ 3

1.

Sol

veH

ow m

any tens are in 47 + 30? If you add three

more tens, how

many tens w

ill you have? Write

the steps that led you to the correct answer.

What are two different ways of adding tens and

ones mentally?6-3

50+___=77, 60+___=87

What would the next three number sentences be?

How many tens patterns can you create without using a zero? (57,67,77…, 33,43,53…)

Wha

t ar

e th

e st

eps

you

use

to a

dd o

n a

hun

dred

ch

art?

(41+

___=

100)

How

can you use a hundred chart to add 39+17?

Explain your answ

er.How can patterns on the hundred chart be used to think about adding two-digit numbers?

6-4

Create a challenging pattern about owls and rodents for a friend to solve using only two

digit numbers.?

You want to earn a T-shirt for the 100 Mile Club. How many miles should you run each day to reach your goal?

Wha

t ar

e so

me

patt

erns

for

add

ing

9?A

bumblebee bat flies 1 m

ile Sunday, 6 m

iles T

uesday, and 11 miles W

ednesday. How

many

miles do you predict he w

ill fly on Friday?

How can looking at a pattern help you solve

problems? 6-5