Make Numbers to 20 – 2-Page Math Worksheet
- Grades
- K–1
- File type
- Preparation
- Print ready
- Subject
- Addition, Addition and Subtraction, Math
- Topic
- Math Worksheets, Single Digit Addition
- Resource types
- Worksheets, Worksheets & Printables
- Preparation
- Print ready
From the author
About this resource
This is a Make Numbers to 20 Worksheet.
This is a 2 page printable for each student to complete.
There are 5 columns on each of the pages.
The columns consist of making 11 through making 20. There are 10 problems for students to complete in each column. Each problem follows the same sentence frame with a student having to complete the second number to complete the sum.
At the bottom of the second page, there is a space for you to score this worksheet. A timer is included before the score.
In order to accurately time track, you can:
-Have a stopwatch running and displayed on the board for students to write down their own time when they finish. By doing it this way, you can have an entire class of students complete their worksheets at the same time. This will only work if students are old enough to understand tracking time. A great way to implement this is to model it many times with practice pages.
-Complete this worksheet in small groups, a few students at a time, with the teacher or a paraprofessional. By doing it this way, you can give students attention and write their times down on your own. Making sure you have accurate times for students will allow you to implement this same worksheet repeatedly to measure and track growth.
This can be a great data tracking tool if you are looking for something to assess fact fluency for basic addition.
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In the classroom
Teaching tips & learning objectives
Learning objectives
Find the missing addend or subtrahend in equations that total each number from 11 through 20.
Apply both addition and subtraction strategies within the same column, since some problems are framed as addition and others as subtraction for the same target number.
Build fact fluency within 20 by completing all 110 problems against a timer.
Teaching tips
Use the timer-and-score line at the bottom of page two to run this as a timed fact-fluency check rather than untimed practice.
Point out that each column mixes addition and subtraction — the Make 11 column, for example, includes both 16 − ___ = 11 and 0 + ___ = 11 — since a student expecting only addition may be caught off guard.
Since there is no separate answer key, plan to score students' work directly or read out correct answers after time is called.
Skills covered
Fact fluency within 20 — students solve 110 missing-number addition and subtraction equations, one column per target number from 11 to 20.
Missing-addend/subtrahend reasoning — each problem gives two of three equation parts (a starting number, an operation, and the result) and asks students to find the third.
Timed self-assessment — the built-in timer and score line let students track their own speed and accuracy across all 110 problems.
Good to know
Questions teachers ask about this resource
Do the columns use only addition, or subtraction too?
Both. Each column mixes addition and subtraction problems that total the same target number — the Make 11 column, for example, includes 16 − ___ = 11 alongside 0 + ___ = 11.
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Resource details
Concepts & topics
Core concepts
Core concepts
Addition within 20
Subtraction within 20
Fact fluency
Missing addend
Topics
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