Addition to 10 with one more

I can add numbers up to 10 adding one more.

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Students learn to add numbers up to 10 by adding one more. They make use of an addition table.

Discuss with students that it is useful if you can add by adding one more. If you know when you can simply add one more, you don't have to calculate different problems separately.

Show the number maze on the interactive whiteboard and ask students if they know which route they should take to go from 1 to 10. They must follow the numbers in sequence. Draw a line from 1 to 2, and continue until you reach 10. Repeat this, but start at 6. Ask students to say what the next number is. Next, show the balls on the interactive whiteboard. Ask students which number comes next and drag the numbers one by one.

Hold one pencil in each hand. Ask the class how many pencils you are holding in total. Next, hold one pencil in one hand, and two in the other. How many do you now have? Repeat this with different divisions of pencils in which you add 1 more each time. Next, show the caps on the interactive whiteboard. Say that there is one cap already, and that one more is added. Together there are 2. Discuss the problems that follow. Ask the students if they notice anything about the answers. Say that one cap is added each time.

Tell student that they can use an addition table that they see on the interactive whiteboard to show addition problems that add one more every time. Explain how to read the table. Show this by using a completed table. Point at the 1 on the left side of the table and say that you add the blue 1 to the number. The table shows the answer of 1=1, which is 2. Repeat this showing how the other totals are given. Ask the students what they notice about the answers. Say that they all show one more. Discuss that you first need to know the answer to the first problem, and then you can add 1 to complete the addition table. Ask students to determine which numbers are missing from the addition table. Next they must complete an addition table. Ask them to write their answers on a sheet of paper and then to hold them up so you can check their work. As a class you can drag the numbers to their place in the addition table.

Check that students understand adding numbers up to 10 by adding one more by asking the following questions:

- What do you need to solve first to make completing the addition table easy?

- 2+2 =4. What are the answers to the problems that come next? 2+3 and 2+4?

Students practice adding one more and completing addition tables.

Discuss with students that it is important to be able to add numbers up to 10 by adding one more, so you can quickly solve sets of problems without needing to calculate each one separately. SHow the addition table on the interactive whiteboard and have students discuss in groups which numbers are missing. They must write the numbers down. Ask students how they know which numbers are missing. Ask them if they used any tricks to make determining the numbers easier, or if they calculated each blank space.

Students who have difficulty with adding with one more, can make use of MAB blocks or other manipulatives. Have them set out blocks to represent the problem, and then add 1 more and then count the total amount of objects they have.

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Gynzy is an online teaching platform for interactive whiteboards and displays in schools.

With a focus on elementary education, Gynzy’s Whiteboard, digital tools, and activities make it easy for teachers to save time building lessons, increase student engagement, and make classroom management more efficient.