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PPT
Curated OER

Ordering to 20

For Teachers K - 1st
Given a series of number lines, learners fill in missing number from 1-20 using the number pool provided. They add each number untill the number line is complete. This is a great activity to foster counting skills, number ordering, and...
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Worksheet
Curated OER

Missing Numbers to Twenty

For Students Pre-K - 1st
Which number is missing? Beginning counters examine twenty-six number sequences, one for each letter of the alphabet. Each sequence has four numbers, ranging from one to 20. There is one number missing from the sequence, and learners...
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Worksheet
Curated OER

Addition Number Chart

For Students 1st - 3rd
Number charts are a great way for learners to practice counting and observe number patterns. There are four charts here with missing numbers for scholars to fill out. Each contains some numbers filled in as reference. Challenge...
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Worksheet
Curated OER

Combinations to 20

For Students 1st - 3rd
Ten frames are a great way to help visualize simple math problems, evidenced in this clear and concise word problems learning exercise. Each question features two ten frames for learners to use as they solve. All numbers are 20 or less....
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Worksheet
Curated OER

Unknown Addends (to 20): Count the Blank Boxes

For Students K - 1st
By filling in the blank squares, learners complete five addition number sentences both visually and numerically. For each problem, a frame is filled with a certain number of images (turkeys, candles, etc.) and a certain number of blank...
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PPT
Curated OER

Counting Houses 1-20

For Teachers Pre-K - K
What if your pre-k or kinder class was learning about dwellings or houses and you needed a house themed counting activity? You'd just need to click on this link and download this house themed slide-show. It shows numbers 1-20 alongside...
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PPT
Curated OER

How many can you count?

For Teachers Pre-K - K
Counting objects up to 16 can be cute and fun. Kids count objects as they appear on the screen, bouncing apples, racing cars, and pop up puppies make this a charming addition to your early learning math tool chest. 
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Worksheet
Curated OER

Subtraction and Unknown Addends

For Students 1st - 3rd
The missing addend strategy is helpful to young mathematicians approaching subtraction. This worksheet walks learners through the required steps, solving the problems with them. They examine situations with one addend and a sum provided,...