Curated OER
Missing Numbers to Twenty
Which number is missing? Beginning counters examine twenty-six number sequences, one for each letter of the alphabet. Each sequence has four numbers, ranging from one to 20. There is one number missing from the sequence, and learners...
Curated OER
Missing Numbers 1-20
Learners are presented with a series of number lines, each one is missing a number from 1-20. They click on the number options at the bottom of the page to fill in the gap on each number line. This activity would be great at an...
Math Salamanders Ltd.
Missing Subtraction Facts to 20 sheet 2
They can tackle this instructional activity once your class has mastered basic double-digit subtraction. They'll need to find the missing subtraction facts to 20 that complete each problem.
Curated OER
Ordering to 20
Given a series of number lines, learners fill in missing number from 1-20 using the number pool provided. They add each number untill the number line is complete. This is a great activity to foster counting skills, number ordering, and...
Curated OER
Write the Missing Numbers
Which numbers are missing on these hundreds charts? Beginning counters fill in the blank squares in a set of hundreds charts. One simply has the numbers 1 and 100, while the others are missing every other number, only even numbers, or...
Curated OER
Numbers 1-10
In this numbers worksheet, students color in 10 number pictures. Students fill in the missing numbers from 1-10. Students also point to the numbers 1-20 as they count.
DK Publishing
Write the Missing Numbers
Funny clowns and balloons help your preschoolers and kindergartners count! Each bunch of balloons is missing some numbers in its sequence. The numbers go up to 20, allowing youngsters to practice both counting and printing skills. Color...
Curated OER
Addition - up to 20 sheet 5
In this addition worksheet, students complete missing addend problems where they plug in numbers 1 - 20. Students complete 40 problems.
Curated OER
Numeracy Starters
If you like to start each day with a new math challenge or warm-up, this resource is a must have. It includes 36 slides, each containing a different math challenge that stimulates algebraic reasoning, problem solving, and basic math...
Curated OER
Missing Addends
Where are all the addends? Addition novices solve 36 equations by filling in the single-digit addend to achieve the given sum. They reference several examples, each of which include object sets to help learners visualize the concept....
Curated OER
Unknown Addends (to 20): Count the Blank Boxes
By filling in the blank squares, learners complete five addition number sentences both visually and numerically. For each problem, a frame is filled with a certain number of images (turkeys, candles, etc.) and a certain number of blank...
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...
Curriculum Corner
Back to School Math and Literacy Centers
From filling in the missing number to filling in the missing letter; to writing fluency sentences to skip counting and matching, a complete set of back to school math a literacy centers will not disappoint. Use these activities during...
Curated OER
Fill in the Missing Numbers 1-20
In this number order practice worksheet, students examine 5 rows of numbers. Students fill in the blanks in each of the 5 rows with the appropriate numbers between 1 and 20.
Curated OER
Fill in the Missing Numbers 1-20, #12
In this number order practice worksheet, students examine 5 rows of numbers. Students fill in the blanks in each of the 5 rows with the appropriate numbers between 1 and 20.
Curated OER
Fill in the Missing Numbers 1-20, #13
In this number order practice worksheet, students examine 5 rows of numbers. Students fill in the blanks in each of the 5 rows with the appropriate numbers between 1 and 20.
Curated OER
Fill in the Missing Numbers 1-20, #9
In this number order practice worksheet, students examine 5 rows of numbers. Students fill in the blanks in each of the 5 rows with the appropriate numbers between 1 and 20.
Curated OER
Fill in the Missing Numbers 1-20, #10
In this number order practice worksheet, students examine 5 rows of numbers. Students fill in the blanks in each of the 5 rows with the appropriate numbers between 1 and 20.
Curated OER
Missing Numbers in Equations
In this equations worksheet, learners determine missing numbers to make equations true. A website reference for additional resources and answers are provided.
Curated OER
Addition Number Chart
Number charts are a great way for learners to practice counting and observe number patterns. There are four charts here with missing numbers for scholars to fill out. Each contains some numbers filled in as reference. Challenge...
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.
Math Drills
Missing Numbers in Equations (B)
Third and fourth graders use the divisors, dividends, and quotients to discover the missing numbers. They solve 32 problems in all, and fulfill the requirements of CCSS.Math.Content.3.OA.4
Curated OER
Missing Subtraction facts to 12 sheet 1
Pupils subtract numbers 1 through 12 and complete missing addend problems. This worksheet includes a helpful number line and 20 problems to complete. Tip: Hand out unifix cubes or chips to help tactile learners solve each problem.
Curated OER
Missing Numbers
In this sequencing numbers learning exercise, students observe rows of numbers with blanks and fill in the missing numbers for each sequence. Students fill in 47 blanks.