Missing Addends – Sums of 13 – Dreaming Deer
A sweet little deer looking so content and dreaming of frolicking in the forest. I’ll bet you dream about filling in missing addends … especially for sums of 13.
CCSS 1.OA.6
Subject Level: Math
You will find a treasure trove of math worksheets on these pages! Need some counting worksheets? No problem! We’ve got all kinds. Some addition worksheets? We’ve got those, too. Geometry worksheets? Coming right up! Telling time worksheets so your kids know what time it is? Yes, we’ve got those, too. Did I mention addition and subtraction flashcards and worksheets? There are lots of those, too. So step right up, take your pick and then come back for more.
Nearly 800 math worksheets
CCSS All worksheets and other resources are aligned with standards as applicable.
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Go to this page for our Main Math page. It will be easier to find more targeted resources that way.
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Missing Addends – Sums of 13 – Fine Fox
This fine little fox is sitting up pretty and taking notice of you! He’s gonna watch as you carefully figure out all twelve missing addends and write them neatly.
CCSS 1.OA.6
Missing Addends – Sums of 13 – Hairy Hedgehog
Get a brush and help this little guy out! He needs some better grooming habits. But wait! Fill in these 15 missing addends first. Work before play … : )
CCSS 1.OA.6
Missing Addends – Sums of 13 – Big Eyed Owl
This little fella couldn’t find any mice to eat for lunch so he decided to perch on this page and watch you fill in these 24 missing addends! Whoo! Whoo!
CCSS 1.OA.6
Missing Addends – Sums of 13 – Snacking Squirrel
This little squirrel won’t pay you any mind, so don’t worry about him. He’ll keep snacking while you fill in these missing addends!
CCSS 1.OA.6
Missing Addends – Sums of 14 – Googly-Eyed Monster
Monsters are known for being scary. Math can feel the same way. But this monster is not scary. Neither are these12 missing addends!
CCSS 1.OA.6
Missing Addends – Sums of 14 – One-Eyed Monster
This isn’t a missing addends worksheet! It’s got a tennis ball on it! See the round green ball? It’s about sports. Now, now … enough excuses. Time for math!
CCSS 1.OA.6
Missing Addends – Sums of 14 – Candy Corn Monster
It’s not Halloween, but this fella looks like a candy corn to me! No matter what time of year … this still looks like a missing addends worksheet! 12 problems.
CCSS 1.OA.6
Missing Addends – Sums of 14 – Furry Monster
A pink furry monster comes to you with a friendly three-toothed smile to show you how fun it can be to solve these 15 missing addends problems!
CCSS 1.OA.6
Missing Addends – Sums of 14 – Stripey Horned Monster
Missing addends and monster fun sure seem to go together! With big wide eyes, this stripey horned fella is going gaga over sums of 14!
CCSS 1.OA.6
Missing Addends – Sums of 14 – Monster Buddies
Hand in hand they come to you and as good buddies encourage each other, these monsters will support you as you finish all 30 missing addends problems.
CCSS 1.OA.6
Missing Addends – Sums of 15 – Joyous Giraffe
Can’t stop smiling when you see this cute lil’ darlin’ looking at you! And you won’t be able to stop smilin’ when you breeze through these missing addends!
CCSS 1.OA.6
Missing Addends – Sums of 15 – Pink-Toed Elephant
On pink tippie-toes, this elephant looks a bit stressed … but you can take a big breath and relax. This missing addends page is low key with only 12 problems.
CCSS 1.OA.6
Missing Addends – Sums of 15 – Likable Lion
While you’re filling in the missing addends go ahead and reach your hand out to pet this likable lion. He’s cute and sweet! 12 problems, both addends missing.
CCSS 1.OA.6
Missing Addends – Sums of 15 – Tame Tiger
I know you’re going to be busy filling in the 15 missing addends on this page, but this tame fella wants to rub up against you. Can you hear this big cat purr?
CCSS 1.OA.6
Missing Addends – Sums of 15 – Double Trouble
Yes, you’re seeing double! There are 24 missing addends problems instead of 12 like the three pages above. Double the practice, double the fun!
CCSS 1.OA.6
