Curated OER
Add up to 20
In this adding up to 20 instructional activity, students try to match each line of the rectangle to add up to 20 using any whole numbers they choose. Students have 6 blanks to fill in and 2 questions at the end.
Curated OER
Addition Up to 20, Sheet 3
Adding numbers up to sums of 20 is the focus of this learning exercise. Pupils complete a set of 24 problems by adding numbers to 20. A number line and reference website is given for additional activities.
Math Solutions
Race to 20
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When students finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
Houghton Mifflin Harcourt
Addition and Subtraction Facts to 20
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 lesson, learners become the manipulatives and line up to show the number stories.
Helping with Math
Addition: Number Bonds to 20
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of 41 missing addend problems. Answers are available.
Curated OER
Addition Word Problems Up to 20
Because this addition word problem has the answer written on the same page, consider using it as a warm-up and projecting it. Simply cover up the answer until you're ready. The problem has beginners adding up two single-digit numbers for...
Curated OER
One More or One Less?
Hook new mathematicians with a candy-themed approach to addition and subtraction. They examine 10 numbers (not exceeding 19) printed on candy wrappers. For each, learners calculate and record numbers with values one more and one...
Curated OER
Adding Up
Make addition visual in order to help beginners understand the concept. They add up beads on a string, examining an example before trying it on their own. Learners fill in addends and sums for these, and sometimes both. Although...
Maths Blog
Make 20
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
Curated OER
Sets Of
Represent multiplication as sets of items for beginners to this concept. They look at six familiar object sets and determine the total number of legs by counting the sets. There is some scaffolding here, as the first is done for them and...
Curated OER
Addition: Number Bonds to 10
You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Curated OER
Addition-Up to 20 (Sheet #2)
In this addition instructional activity, students practice their adding skills. Students complete the instructional activity by filling in the missing number in each of the forty addition problems.
Curated OER
Addition up to 12
In this addition facts learning exercise, students solve 20 basic addition facts. Both addends are single digits. This sheet includes facts up to twelve.
Curated OER
Adding Up
Sail through the land of three addends with this nautical-themed addition learning exercise. Scholars begin by using mental math to add seven sets of three numbers located on sailboats. Next, they apply this concept to eight horizontally...
Curated OER
Addition up to 10
In this addition worksheet, 1st graders add numbers to ten, completing problems as fast as possible, 20 total. An answer key is included on page 2.
Curated OER
Adding Decimals
Show scholars the practical uses of adding numbers with decimals as they add measurements and amounts of money. The first 12 equations are written vertically with half the sums requiring a dollar sign and half a unit of measurement. The...
Curated OER
Choose the Operation: Plus or minus (up to 100)
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
Curated OER
Adding Decimals
Adding decimals can be simple; show scholars the practical uses of adding numbers with decimals as they add measurements and amounts of money. The first eight equations are written vertically with some sums requiring a dollar sign, some...
Curated OER
Adding Fractions
All of these fraction pairs have common denominators, so adding them up is a bit simpler. There are two examples demonstrating both a mixed number and reducing to simplest terms. Scholars add up 28 fraction pairs, simplifying when...
Curated OER
2-Dimensional Shapes: Adding Up Shapes
These pictures will cost you! Each shape is worth a money amount. Scholars use this value system to price four images composed of these shapes. There is an example to help them get started which demonstrates labeling each shape before...
Curated OER
Addition Up to 10: Speed Race 3 and 4
In this addition learning exercise, students find the sums to 20 single digit addition problems. They try to work more quickly than the previous day.
Illustrative Mathematics
Jayden’s Snacks
A quick activity to test the knowledge of your learners on adding and subtracting with decimals. They must calculate how much Jayden spent at the store and how much money he has remaining.
Key Stage Fun
Squeebles Addition & Subtraction
The math monster is at it again, this time stealing all the cars and drivers that were to take part in the cart race. If their addition and subtraction facts are up to the challenge, young mathematicians can win the drivers' freedom and...