Addition Properties
Addition Patterns
Estimating
Sums
Addition
word problems
100

Identify the addition property:
13 + 0 = 13

Identity Property 

100

tell if the answer will be even or odd ; 3 + 5

even = 8

100

estimate the sum by rounding each addend to the nearest ten: 

682 + 121

680 + 120 = 800

100

add using regrouping; 157 + 217

374

100

Today 12 tulips bloomed. No roses bloomed. Use the

Identity Property of Addition to write an equation

showing how many flowers bloomed today.

12 + 0 = 12

200

Identify the property:

55 + 23 = 23 + 55 

commutative property 

200

tell if the answer will be even or odd ; 22 + 7

odd = 29
200

estimate the sum by rounding each number to the nearest ten:

325 + 417 + 262

330 + 420 + 260 = 1010

200

add using regrouping: 339 + 415

754

200

In March, a store sells 312 gallons of milk, 175 gallons

of orange juice, and 79 gallons of all other kinds of juice.

Does the store sell more milk or juice in March? Explain.

they sell more milk. 

300

Identify the Property: (85 + 36) + 5 = 85 + (36 + 5)

Associative Property 


300

tell if the answer will be even or odd ; 3 + 6 + 9

even: 18

300

estimate the sum by rounding each number to the nearest hundred:

245 + 283

200 + 300 = 500

300

add using partial sums : 388 + 483

871; show the work to get the points
300

Customers can buy two kinds of apples at a fruit stand.

On one day, customers bought 53 green apples.

Customers bought 17 more red apples than green apples.

Use the bar model to represent this situation. 

show your work to get points!

400

Add the missing number and tell the addition property 

(38 + 50) + 4 = (__ + 38) + 4

(38 + 50) + 4 = (50 + 38) + 4; commutative property 

400

fill win the blank a number that will make the sentence true ;

odd + 8 +___ = even

__ check !

400

estimate the sum by rounding each number to the nearest hundred:

456 + 821 + 311

600 + 800 + 300 = 1700

400

add using partial sums: 526 + 222

748; show your work to get the points 

400

John and Clark EACH save $177. Peter saves $234.

How much money do the three boys save all together? Use a bar model to solve

388 ; show your work!

500

Add the missing number and tell the addition property 

(64 + 22) + 2 = 64 + (22 + __)

(64 + 22) + 2 = 64 + (22 + 2); associative property

500

fill win the blank a number that will make the sentence true ;

9 + ____ = odd

any even number 2,4,6,8,10
500

estimate the sum by rounding each number to the nearest ten, then find the real sum!

495 + 26 + 162

500 + 30 + 160 = 690

500

add using partial sums : 121 + 456 + 233

811

500

Last week, 342 adults and 218 children visited a park.

Use partial sums to find how many people visited the

park last week. Explain.

560