Curated OER
Using Doubles
Bring this easy shortcut to your first grade addition lesson! By adding doubles (6+6, for example), and then adding or subtracting 1, kids learn how to solve simple addition problems with ease. This trick is especially helpful for...
Curated OER
Doubles Plus
Doubles and doubles+ 1 addition is a great way to help little learners build number sense and automaticity. This presentation contains multiple examples of doubles and doubles+ 1 addition. Images of dominoes are employed to reinforce the...
Illustrative Mathematics
Double Plus One
Practice doubling with a straightforward worksheet. Learners double plus one each number in the table, and then answer a series of hypothetical math equations.
Curated OER
Doubles Plus 1 Totals
In this doubles plus 1 worksheet, students write a doubles plus 1 addition equation for a "bakers' dozen," then complete a table, writing the doubles plus 1 equations for numbers of muffins.
Curated OER
Doubles Plus One
In this early childhood addition and subtraction worksheet, students solve 6 math story problems that require them to add doubles plus 1.
DK Publishing
Spot the Doubles
Have fun with counting and ladybugs! Kindergartners count the number of spots on the first half of the bug's wings, then double the number to practice their addition skills. Have kids color the ladybugs when they're finished with the...
Curated OER
Developing Strategies for Addition and Subtraction
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
Curated OER
Addition, Single Digit Double Plus One
In this adding single digit numbers worksheet, students solve 30 problems that require them to add single digit numbers one more than them.
Curated OER
Add Doubles plus One
In this addition learning exercise, students solve a total of 25 problems using 1-digit numbers adding doubles plus 1. A website reference for additional resources is given.
Curated OER
Use Doubles Facts
In this doubles facts worksheet, students solve 8 horizontal addition problems and 8 vertical addition problems where they use doubles and doubles plus one facts. Students solve 1 test prep question where they must choose a doubles fact...
Curated OER
Practicing Addition Strategies
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...
Curated OER
Sort to Solve
In this addition learning exercise, students sort 25 addition facts into 3 categories: doubles, doubles plus 1 or doubles plus 2. Students find each sum.
Curated OER
Adding Doubles Plus One (B)
In this addition worksheet, students find the sums of single digit doubles plus one. Students solve 21 problems associated with adding doubles.
Curated OER
Adding Doubles Plus One (A)
In this addition worksheet, students find the sums by doubling the least number and adding one. Students solve 21 problems.
Curated OER
Doubles Plus One: Homework
In this addition worksheet, students find the sum of 12 "doubles plus one" problems. Students then solve a related word problem, then draw or write to explain their work.
Curated OER
Addition-Double Plus One
In this addition worksheet, students complete a total of 100 problems using 1-digit numbers and adding doubles plus one. A website reference is given for additional resources.
Curated OER
Doubles Plus One
In this addition activity, students solve a set of 50 problems using 1-digit numbers and adding doubles plus one. A website reference for additional resources is given.
Curated OER
Near Doubles
In this doubles in addition worksheet, students complete the addition sentences by writing the matching doubles plus 1 equation. Students then write if the doubles in the plus 1 equations were odd or even numbers and explain why.
Curated OER
Addition of 2 Digit Plus 1 Digit (No Regrouping)
Students review adding without regrouping the numbers. They are divided into groups and have to write the answer to the problem given on their papers.
Curated OER
The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
Curated OER
Let's Learn Those Facts
Young scholars practice adding one digit numbers. In this practicing adding one digit numbers lesson, students roll dice to determine which one-digit numbers they will add together. Young scholars practice adding one digit numbers for...
Curated OER
Find the Partners
In this addition activity, students complete 5 equations and then ring the correct answer: doubles, or doubles plus one. Students then write their own doubles equations.
Pennsylvania Department of Education
Some Special Sums
Students study addition. In this math lesson, students solve doubles and doubles plus one addition facts. Students roll dice and use the numbers to create addition problems.
Curated OER
Domino Adding
Students practice adding numbers to twelve. In this computation lesson, students construct paper domino patterns and play games in which they use the the dots on the dominoes to make addition problems.