Worksheet
Math Salamanders Ltd.

Finding a Half on a Number Line 1

For Students 2nd - 4th Standards
Introduce your math class to fractions with this worksheet. Six number lines are provided, and learners must fill in the missing numbers. Some blanks are whole numbers, and some are half numbers. Numbers up to 48 are shown.
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Add and Subtract within 20

For Students 1st - 2nd
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
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Missing Calculations, Missing Numbers Activity

For Students 2nd - 3rd
In this missing numbers worksheet, learners fill in the missing numbers in a set of 18 calculations that make use of all 4 operations. A reference web site is given for additional activities.
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Write Each Missing Number (Number Order)

For Students K - 1st
In this counting learning exercise, learners fill in the missing numbers in a series of numbers written inside raindrop shapes. There are 5 problems.
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Counting: Missing Number

For Students 1st - 2nd
In this missing numbers worksheet, learners solve 15 problems that require them to fill in the blanks in number lines that are missing 2-digit numbers.
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Missing Addend - 2 through 5

For Students 2nd
For this missing numbers worksheet, 2nd graders fill in the missing numbers in the correct place value spot according to the blocks given. Students complete 16 problems.
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Find the Missing Numbers

For Students 4th - 5th
In this missing numbers activity, students solve 25 problems in which missing numbers in multiplication or division problems are filled in. Students also use picture clues to write equations in multiplication to solve. This page is...
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Missing Numbers: Counting to Ten

For Students Pre-K - K
In this missing numbers in a series worksheet, students fill in the blanks in six number series up to 10. Students determine which number belongs in each space.
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Subtraction: Missing Numbers 2

For Students K - 2nd
In this subtraction practice worksheet, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Subtraction: Missing Numbers 3

For Students K - 2nd
In this subtraction practice worksheet, students use the counting bocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Subtraction: Missing Numbers 5

For Students K - 2nd
In this subtraction practice worksheet, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Subtraction: Missing Numbers 6

For Students K - 2nd
In this subtraction practice worksheet, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Number Chart 1

For Students 1st - 2nd
In this number chart worksheet, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 49 missing numbers.
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Number Chart 1

For Students 1st - 2nd
In this number chart learning exercise, learners fill in the blank for the missing numbers 0 through 99. Students have to fill in 50 missing numbers.
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Number Chart 1

For Students 1st - 2nd
In this number chart worksheet, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 47 missing numbers.
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Number Chart 1

For Students 1st - 2nd
In this number chart worksheet, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 42 missing numbers.
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Number Chart 1

For Students 1st - 2nd
In this number chart worksheet, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 49 missing numbers.
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Number Chart 1

For Students 1st - 2nd
In this 100's number chart worksheet, learners fill in the missing numbers in the chart. Students have to fill in 48 missing numbers.
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Number Chart 1

For Students 1st - 2nd
In this number chart worksheet, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 52 missing numbers.
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Number Chart 1

For Students 1st - 2nd
In this 100's number chart worksheet, students fill in the missing numbers that don't appear in the chart. Students have to fill in 54 missing numbers.
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Number Chart 1

For Students 1st - 2nd
In this 100's number chart worksheet, students fill in the missing numbers that don't appear in the chart. Students have to fill in 52 missing numbers.
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Fill in the Fact Families

For Students 2nd
In this fact families and patterns activity, 2nd graders fill in the missing numbers in four houses and then write the fact family for each group of numbers.
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Magic Number Puzzles

For Students 4th - 6th
In this numbers worksheet, students study and analyze 10 magic number puzzles. Students fill in the missing 6 numbers in each puzzle. Students determine which numbers go where by making sure that all the numbers going across and down...
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Missing Number Addition

For Students 1st - 2nd
In this missing number worksheet, learners fill in missing addends to complete 5 simple problems. An answer key is included on page 2.