1st Grade Math Drills Worksheets
These 1st grade math worksheets provide essential practice with foundational number skills. Students will master finding ten more and ten less than two-digit numbers, plus addition and subtraction facts within 20. Each printable worksheet contains 50 targeted problems to build fluency.
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About these worksheets
Addition drill worksheets cover the full range of basic fact fluency. Problem sets include adding within 5, adding and subtracting within 10 and 20, finding ten more and ten less, adding 9s with mental math shortcuts, adding to multiples of ten, and individual fact families from 0s through 10s. Mixed drill sets and missing addend problems are also included. Each worksheet contains 50 to 100 problems for timed practice.
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Find ten more or ten less than a two-digit number. Use place value to see how changing the tens digit changes the number.
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Add two numbers where the total is 10 or less. Subtract one number from another when the answer stays within 10. Switch between addition and subtraction and choose the right operation for each problem. Build speed and accuracy with basic math facts up to 10.
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Add two numbers with sums up to 20. Subtract a number from another number and find the difference up to 20. Build speed and accuracy with basic addition and subtraction facts.
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Practice quickly adding 9 to a number. Use a mental math trick for +9, like add 10 then subtract 1. Build speed and accuracy with basic addition facts involving 9. Recognize patterns when numbers increase by 9.
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Practice adding 1 to another number to find the total. Get faster at basic addition facts with 1. Recognize that adding 1 makes the number go up by one.
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Add 2 to a number from 1 to 10 to find the total. Memorize and recall the +2 addition facts quickly. Build speed and accuracy with basic addition facts.
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Get quick at adding 3 to another number. Build confidence with basic addition facts that include 3.
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Practice adding 6 to a number from 1 to 10. Learn the addition facts in the 6s family so they come quickly from memory. Build speed and accuracy when solving simple addition problems in your head.
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Use the pattern that adding 10 makes the ones digit stay the same while the tens digit increases by 1. Practice doing these sums in your head without counting one by one.
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Practice adding 0 to a number and seeing that the number stays the same. Build speed and confidence with basic addition facts that include 0.
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Practice adding 1 to a number from 1 to 10. Get faster at basic addition facts that include +1. Notice the pattern that adding 1 makes the number go up by one. Build confidence doing simple mental math without counting on fingers.
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Add 2 to numbers from 1 to 10 quickly and accurately. Build confidence with basic addition facts so answers come to mind without counting.
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Add 10 to a number from 1 to 10 to find the total. Use the pattern that adding 10 makes the number 10 more to solve problems quickly.
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Find the missing number that makes an addition sentence true. Use what you know about addition facts to solve for an unknown addend quickly. Read and solve equations with a blank or box in different positions. Build speed and accuracy with mental math when one part of the sum is missing.
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Add two numbers when one addend is 12 or less. Build speed and accuracy with basic addition facts up to 12.
About these worksheets
Subtraction drill worksheets build speed and accuracy with basic subtraction facts. Problem sets include subtracting within 5, subtracting single digits from teen numbers, finding missing minuends, and individual fact families from 0s through 10s in both vertical and horizontal formats. Mixed drill sets round out the practice. Each worksheet contains 50 to 100 problems for timed assessments or daily warm-ups.
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Subtract a 1-digit number from a teen number to find the difference. Use quick mental math to take away small amounts from numbers 11–19. Recognize subtraction facts with teen numbers and answer them faster. Avoid common mistakes with teen numbers, like mixing up the tens and ones.
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Subtract a one-digit number from a teen number to find the difference. Use mental math to take away small amounts quickly and accurately. Build speed and confidence with basic subtraction facts involving teen numbers.
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Practice subtracting 0 from a number and seeing that the number stays the same. Get faster at basic subtraction facts by recognizing the zero rule right away. Build confidence reading subtraction expressions with a minus sign and a 0.
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Practice subtracting 1 from a number quickly and accurately. Notice that subtracting 1 means finding the number right before it in counting order. Build speed and confidence with simple subtraction you can do in your head.
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Practice subtracting 2 from a number quickly and accurately Get comfortable counting back by 2s to find a difference Build confidence with basic subtraction facts and mental math speed Notice patterns when numbers go down by 2 each time
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Practice subtracting 3 from a number quickly and accurately. Get comfortable counting back three steps to find the difference. Build fluency with subtraction facts that use 3. Improve mental math speed when taking away a small number.
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Practice subtracting 4 from a number quickly and accurately. Get comfortable finding the difference when taking away 4. Build speed with subtraction facts so answers come more easily in your head.
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Practice subtracting 5 from a number quickly and accurately. Get comfortable counting back by fives to find the difference. Build subtraction fact fluency so answers come faster in your head. Notice patterns when you take away 5 (like the ones digit changing in predictable ways).
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Practice subtracting 6 from a number quickly and accurately. Get comfortable using subtraction facts for 6 without counting every time. Build mental math speed when taking away 6 from different starting numbers. Notice patterns in the 6s subtraction facts to help you answer faster.
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Subtract 7 from a number quickly and accurately. Use the idea of “take away 7” to find the difference between two numbers. Build speed and confidence with the 7 subtraction facts for mental math. Notice patterns when counting back by 7 to help solve problems faster.
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Subtract 8 from a number quickly and accurately. Use subtraction facts to find the difference without counting one by one. Notice patterns when taking away 8 to help solve problems faster. Build speed and confidence with mental subtraction.
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Get quick and accurate at subtracting 9 from a number. Use mental math shortcuts for minus 9, like subtract 10 and add 1 back. Pay attention to place value when subtracting 9 across tens (like 40 − 9). Build subtraction fact fluency so answers come without counting.
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Practice subtracting 10 from a number quickly and accurately. Notice how taking away 10 changes only the tens digit while the ones digit stays the same. Build speed and confidence with basic subtraction facts involving tens.
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Practice subtracting 0 from a number and seeing that the number stays the same. Get faster at basic subtraction facts using mental math. Read and solve subtraction expressions written in a horizontal line (like 8 - 0). Build confidence with the meaning of the minus sign and the idea of “take away zero.”
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Practice subtracting 1 from a number quickly and accurately. Notice that subtracting 1 makes a number one less and changes only the last digit most of the time. Build speed with basic subtraction facts for mental math.
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Practice subtracting 2 from a number quickly and accurately. Get comfortable counting back by 2s to find the difference. Build subtraction fact fluency so answers come more automatically.
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Practice subtracting 3 from a number quickly and accurately. Get comfortable counting back by 3s to find the difference. Build speed with basic subtraction facts that use 3.
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Practice subtracting 4 from a number quickly and accurately. Get comfortable using subtraction facts with 4 to find the difference. Build mental math speed by counting back 4 in one step.
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Practice subtracting 5 from different numbers quickly and accurately. Get comfortable counting back by fives to find a difference. Build speed with basic subtraction facts that use 5. Strengthen mental math by doing subtraction without using objects or a number line.
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Subtract 6 from a number quickly and accurately. Use subtraction facts with 6 to find differences without counting every time. Build speed and confidence with mental subtraction. Notice patterns when taking away 6 (like the answer going down by 6 each time).
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Practice subtracting 7 from a number quickly and accurately. Get comfortable using subtraction facts to find the difference without counting one by one. Build speed and confidence with mental subtraction. Notice patterns when you keep taking away 7 from different numbers.
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Subtract 8 from a number quickly and accurately. Use the idea of “take away 8” to find the difference between two numbers. Build speed and confidence with subtraction facts involving 8. Do subtraction in your head by counting back 8 or using a known fact.
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Practice subtracting 9 from a number quickly and accurately. Get comfortable using mental math tricks for minus 9 (like subtract 10, then add 1). Build speed and confidence with subtraction facts to improve overall math fluency. Pay attention to accuracy when subtracting across different starting numbers.
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Practice subtracting 10 from a number quickly and accurately. Use place-value patterns to see how the tens digit changes when you take away 10. Build mental math speed by counting back by tens.
About these worksheets
Mixed drill worksheets combine multiple operations in a single practice set. Students solve 100 problems covering addition, subtraction, multiplication, and division facts, building fluency in choosing the right operation and computing quickly. Additional practice includes finding ten more and ten less within 100.
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Practice quickly solving basic addition facts. Get faster at choosing the right operation when problems are mixed. Build accuracy when doing mental math without a calculator. Improve fluency by working through random fact problems without a pattern.
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Find the number that is 10 more than a given number. Find the number that is 10 less than a given number. Use place value to see how adding or subtracting 10 changes the tens digit while the ones digit stays the same. Work quickly and accurately with numbers up to 100 by spotting the +10 and -10 pattern.
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