Math Forum - Problems Library - Primary, Operations with Numbers - Addition

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operations with numbers
number theory
algebraic thinking
data analysis
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About the
PoW Library

Addition is central to solving these problems, though it may not be the only required operation.

Related Resources
Interactive resources from our Math Tools project:
   Math 1: Operations with Numbers: Addition
NCTM Standards:
   Number and Operations Standard for Grades Pre-K-3

Access to these problems requires a Membership.

Add or Subtract? -
Grade 2. Find the answer to a question and then settle a disagreement between two friends. ... more>>

Ants on a Bun -
Grade K. Find out how many ants were at a picnic. ... more>>

Apple Celebration -
Grade 1. Figure out the growth pattern of a tree to predict its future height. ... more>>

A Summer Garden -
Grade 2. Figure out the number of sunflowers in a garden. ... more>>

A Trip to the Ballpark -
Grade 2. Figure out how many blocks Kevin walked between his home and the park. ... more>>

At the Bake Sale -
Grade 1. What can you can buy at the bake sale with the money you have? ... more>>

At the Fair -
Grade 2. Find the different ways you can earn enough points to win a toy. ... more>>

At the Grocery Store -
Grade 1. Find combinations of fruit Katie could buy so that she has the same amount of fruit as Jackson. ... more>>

A Walk to the Park -
Grade K. Find the total number of blocks Tom walked. ... more>>

Back to School -
Grade 2. Figure out how many packs of pencils Mr. Gonzalez needs for his class. ... more>>

Balloon Fun -
Grade K. Find out the number of balloons two friends have in all. ... more>>

Bat-tastic! -
Grade 1. Figure out the combined wingspans of some friends in bat costumes. ... more>>

Birthday at the Ballpark -
Grade 2. Figure out how many car trips it will take for all of the friends to get to the ballpark. ... more>>

Bubblegum -
Grade 2. Divide pieces of bubblegum equally among three sisters. ... more>>

Building a Tower
Grade K. How many blocks has Ming put on Ali's tower? ... more>>

Bus Stop -
Grade K. Figure out what time Sally leaves for the bus. ... more>>

Catching Minnows -
Grade 2. Figure out how many minnows Anna will catch if she continues a pattern. ... more>>

Charlie's Gumballs -
Grade 2. How many gumballs does Charlie have left after sharing them with his friends? ... more>>

Clowning Around -
Grade 1. Use repeated addition to find out how many balls the clowns are juggling. ... more>>

Colorful Candies -
Grade K. Find out how many blue candies Sam has. ... more>>

Counting Cars -
Grade K. Show how Maya can use tallies to count the number of cars that drove down her street. ... more>>

Counting Comics -
Grade 1. How many comic books does Sondra have? ... more>>

Count Them Up -
Grade 1. Write a number sentence to explain how many pennies Darryl has. ... more>>

Dog Packs -
Grade 2. Figure out how many dogs were in each of 3 packs before more dogs joined them. ... more>>

Donut Sale -
Grade 1. Figure out how much Geneva has to spend for 8 donuts. ... more>>

Drumsticks -
Grade 1. Figure out how many drumsticks the band needs. ... more>>

Earning Money -
Grade 1. Answer questions about doing chores to earn allowance. ... more>>

Field Day -
Grade 1. Use addition to find out how much time Sofia spent running races. ... more>>

Flower Fun -
Grade 1. Figure out how many pink tulips Michelle will give to her grandmother. ... more>>

Fourth of July -
Grade 2. Figure out how many hot dogs and hot dog buns a mom needs to buy for a barbecue. ... more>>

Getting Allowance -
Grade 1. Find ways to make 50 cents using different coins. ... more>>

Get Yer Popcorn! -
Grade 2. Add and subtract money and compare prices of snacks at the school play. ... more>>

Goody Bags -
Grade 2. How many red and green gumdrops will Antonia put in each goody bag if she wants each goody bag to be different? ... more>>

Growing Up -
Grade K. Figure out how much more I have to grow to be as tall as my dad. ... more>>

How Big Is Your Foot? -
Grade K. Figure out how long your foot is and how long "twice as long" would be. ... more>>

How Many Berries Did I Eat? -
Grade 1. Reason about whether I ate more blueberries or raspberries. ... more>>

How Many Cookies Can I Buy? -
Grade 2. Find out how many cookies you can buy at the bake shop with the money you have. ... more>>

How Many Pinecones? -
Grade K. Use the information given to figure out how many pinecones Midori has. ... more>>

How Tall Is Your Tower? -
Grade 1. Identify the pattern and use it to answer some questions about a row of block towers. ... more>>

Ice Cream Sandwiches -
Grade K. Find out how many cookies Ariana needs to make enough treats for her friends. ... more>>

Jordan's Jobs -
Grade 1. Figure out if Jordan has enough money to buy a scooter. ... more>>

Magic More Machine -
Grade K. Figure out what the Magic More Machine does when you put fruits and veggies into it. ... more>>

Making Sandwiches -
Grade 1. Help Ricardo and Gloria divide their task as fairly as possible. ... more>>

Money Matters -
Grade K. Figure out which items you can buy with 11 cents. ... more>>

More Milk! -
Grade 2. Figure out how many glasses of milk Davin drinks in one week. ... more>>

New Pencils -
Grade K. Figure out how many pencils Paul had before he bought new ones. ... more>>

Number Fun -
Grade 1. Use clues to help Dominic solve a number riddle. ... more>>

Pattern Block Designs -
Grade 1. Follow the instructions to build a pattern block design and explain your choices. ... more>>

Picking Flowers -
Grade K. Find combinations of flowers that sum to 6. ... more>>

Picture This -
Grade 2. Find out how many pictures Isabel will finish if she keeps drawing more each day. ... more>>

Pinecones -
Grade 2. Figure out how many pinecones Marissa collected and how many more she needs to make her mother a present. ... more>>

Play Date -
Grade 1. Figure out how far Jayleen walked. ... more>>

Playground Fun -
Grade K. Figure out how many children are on the monkey bars. ... more>>

Playing with Patterns -
Grade 1. Find the next numbers in the pattern. ... more>>

Prize Box -
Grade K. Find out how many tickets Manuela needs in order to choose something from the prize box. ... more>>

Puppies for Sale -
Grade 1. Determine how many puppies are in the crates. ... more>>

Reading Superstars -
Grade 2. Figure out how many stars each student earned for giving book talks. ... more>>

Saving Up -
Grade 2. Figure out how much money Jackie saves after three weeks of babysitting. ... more>>

Snack Time! -
Grade 1. Figure out how many graham crackers are needed to feed three friends. ... more>>

Snow Day! -
Grade 1. Figure out how many mittens the Lee children need. ... more>>

Snow Globes -
Grade 2. Follow a pattern to figure out how many snow globes Angie will place on her shelves. ... more>>

Spin Art -
Grade 2. Figure out how many more bottles of purple paint Marcus and Lyle need so they don't run out before the school fair ends. ... more>>

Summer Days -
Grade 1. Use your knowledge of time and money to answer some questions about a lemonade stand. ... more>>

Grade 1. Help the superhero figure out how many laps he's done. ... more>>

The Eagle and the Bear -
Grade 1. Figure out how many fish the eagle has to catch to tie the bear in their fishing contest. ... more>>

The Morning Bus -
Grade 1. Find out if Beth will make it to the school bus on time. ... more>>

The Pond -
Grade 1. Solve a multi-step problem to figure out how many geese are left in the pond. ... more>>

The Sticker Collection -
Grade K. Determine how many stickers David has, based on how many stickers his sister has. ... more>>

The Yard Sale -
Grade K. Which two things can you buy at a yard sale with 9 pennies? ... more>>

Trail Mix -
Grade 2. Help Samantha double a recipe for trail mix. ... more>>

Try It Out -
Grade K. Show the number 10 in different ways. ... more>>

Tug-of-War -
Grade 2. Figure out which team has the advantage in a game of tug-of-war. ... more>>

Warming Up! -
Grade 1. Divide marshmallows equally between Suresh and his sister. ... more>>

Who Has More Apples? -
Grade 1. Figure out how many more apples Alexa has than Tom. ... more>>

Winter Is Coming! -
Grade 2. Figure out how many nuts a squirrel has left. ... more>>

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