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Lesson Plan
Curated OER

Subtraction

For Teachers 1st - 2nd
Learners explore subtraction. In this mathematics lesson, students practice how to subtract numbers from 20, 100 and other whole numbers. Learners realize that there are number bonds which can help with subtraction like 3 and 17 bonds to...
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Worksheet
Curated OER

Addition Without Regrouping

For Students 1st - 2nd
In this finding the sums worksheet, students use a number line to help add one-digit and two-digit numbers with no regrouping. Students solve 20 problems.
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Worksheet
Curated OER

Making Twelve

For Students 1st - 3rd
In this making twelve worksheet, students use three number cards to make the sum twelve. In this problem solving worksheet, students answer one question with multiple answers.
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Activity
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Jelly Beans for Sale

For Teachers 1st - 3rd
Students connect literature (story Jelly Beans for Sale by Bruce McMillan) to math concepts. In these estimating and money lessons, students work with jelly beans, unifix cubes, pennies, nickels, dimes, and quarters, to estimate and make...
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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,...
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Lesson Plan
Curated OER

Five Minute Adding Frenzy (B)

For Teachers 1st - 2nd
In this addition worksheet, students complete a five minute addition frenzy sheet. They complete 4 charts finding the sums of the columns and rows in each space. They have five minutes to finish each chart with 98% accuracy.
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Worksheet
Curated OER

Addition Practice to 18

For Students 1st - 2nd
In this addition worksheet, learners complete a total of 21 problems, adding numbers with sums to 18. An answer key is included. A reference web site is included for additional activities. 
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Worksheet
Curated OER

The Colors of the Rainbow

For Students 1st
In this addition worksheet, 1st graders solve the single digit addition problems for each section of the rainbow. Students use the sums and color key to color the rainbow.
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Worksheet
Curated OER

A Total of 10

For Students 1st - 2nd
In this addition review worksheet, learners practice adding numbers between 1 and 10. Students color the grids with addition sentences that have a sum of 10, 9, 8, and 7 according to the instructions.
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Worksheet
Curated OER

Easter Eggs in a Basket - Sums to 18 (A)

For Students 1st - 2nd
In this math worksheet, students are given 20 addition problems. All answers are 18 and under. Easter eggs and baskets are pictured.
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Worksheet
Curated OER

Two Digit Addition Worksheet: No Regrouping Worksheet #3

For Students 1st - 2nd
In this addition worksheet, students solve 20 problems in which two digit numbers are added with no regrouping. There is a number line provided.
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Worksheet
Curated OER

Addition Practice

For Students K - 2nd
In this addition practice instructional activity, students solve 60 problems that require them to add 1-digit numbers to 1 or 2-digit numbers with sums to 10.
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Worksheet
Curated OER

Addition Practice #5

For Students 1st - 2nd
In this addition practice worksheet, students solve 42 problems that require them to add 1-digit numbers to 1 or 2-digit numbers with sums to 10.
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Worksheet
Curated OER

Addition Up to 10: Speed Race 3 and 4

For Students 1st - 2nd
In this addition worksheet, students find the sums to 20 single digit addition problems. They try to work more quickly than the previous day.
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Lesson Plan
Curated OER

Practicing Addition Strategies

For Teachers 1st - 2nd
In this math worksheet, students add the numbers 5 and 6 using two different methods. They first count up from six. Students say seven, eight, nine, ten, eleven to get to their answer. The second method is to use doubles. They think five...
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Worksheet
Curated OER

Booster (pg.11)

For Students 1st - 2nd
In this addition and multiplication worksheet, students supply 4 missing numbers on a square card so each side of the square adds up to 110. Students put 2 missing numbers in circles so that all 4 of the numbers add up to 1200 and put...
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Worksheet
Curated OER

Addition Exercises

For Students K - 2nd
In this addition exercise instructional activity, students sum up objects and fill in correct answers in a graphic organizer. Problems are shown numerically and with colored counters.
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Worksheet
Curated OER

What Is the Amount?

For Students 1st - 2nd
In this counting money worksheet, students solve 8 problems in which picture symbols inside a robot's purse are decoded. Students count how much money is inside each purse. All sums are under one dollar.
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Worksheet
Curated OER

Doubles Plus One: Homework

For Students 1st - 3rd
In this addition worksheet, learners find the sum of 12 "doubles plus one" problems. Students then solve a related word problem, then draw or write to explain their work.
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Organizer
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Addition Chart (Blank)

For Students 1st - 2nd
In this addition facts worksheet, students fill in the sums on an addition chart with facts from 1 to 10. Students add the numbers in the rows and columns and place answers on the chart.
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Worksheet
Curated OER

Add Objects

For Students K - 2nd
In this addition worksheet, students complete addition problems where they add the number 1 to the numbers 2 - 9 with numbers and pictures. Students complete 8 problems.
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Worksheet
Curated OER

Making 10

For Students 1st - 2nd
In this making ten worksheet, students add to ten by using two number cards. Students think of as many ways possible to use 2 cards (from 1 to 9) to make a sum of ten.
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Worksheet
Curated OER

Regroup Ones: Reteach

For Students 1st - 2nd
For this regrouping ones worksheet, students review steps to help them add using regrouping. Students find the sums for ten addition problems. Students write yes for each exercise where they regrouped ones to make a ten.
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Worksheet
Curated OER

Addition Exercises

For Students Pre-K - 1st
In this early childhood addition practice worksheet, students use the pictured counters to solve 8 problems that require them to add 1 digit numbers.