Lesson Worksheet: Adding Tens or Ones on a Hundred Chart Mathematics • 1st Grade

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In this worksheet, we will practice adding either tens or ones to a number using a hundred chart.

Q1:

Liam is counting in tens using a hundred square. He starts on 34 and moves down 3 rows.

Which number will he end on?

Now, find 10 more than the number he ended on.

Q2:

Use the hundred chart to find the sum: .

Q3:

Benjamin knows how to add tens using a hundred chart.

Use the hundred chart to find the following sums.

Q4:

A class was asked to add 40 to 51.

Who is correct?

Q5:

Find the sum of .

Start at 14 and count on 5. Use the 100 square to help you.

Q6:

Find the sum of . Use the 100 square to help you.

Q7:

Find the sum of .

Start at 33 and count on 6. Use the 100 square to help you.

Q8:

Fady read fifteen books. Then, he read five more. Using the chart to count, find the total number of books Fady read.

11	12	13	14	15	16	17	18	19	20
21	22	23	24	25	26	27	28	29	30

Q9:

Anthony and Madison were asked to add using a hundred chart.

This is what Anthony thinks:

And this is what Madison thinks:

Who is correct?

Q10:

Find using the hundred chart.

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