Mathematics Grade 1 15 min

Regroup tens and ones - ways to make a number

Regroup tens and ones - ways to make a number

What you'll learn

  • Identify at least two different ways to make a number between 11 and 19 using tens and ones (e.g., 12 can be 1 ten and 2 ones OR 0 tens and 12 ones).
  • Solve addition problems involving regrouping with sums between 11 and 19 using manipulatives (e.g., base ten blocks) with 80% accuracy.
  • Explain, using pictures or words, how to regroup a ten into ten ones to make a teen number.

Tutorial Preview

1

How else can we show the number 34?

2

What number is 2 tens and 15 ones?

3

Which is another way to make 42?

Sample Practice Questions

Easy
2 tens and 7 ones is the same as...
0.1 ten 7 ones
1.2 tens 17 ones
2.1 ten 17 ones
3.3 tens 7 ones
Easy
What is another way to write 35?
0.2 tens 5 ones
1.3 tens 15 ones
2.4 tens 5 ones
3.2 tens 15 ones
Easy
1 ten and 14 ones is the same as...
0.14
1.34
2.114
3.24

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Frequently asked questions

What grade level is "Regroup tens and ones - ways to make a number"?

Regroup tens and ones - ways to make a number is a Grade 1 Mathematics lesson on ExcelOS.

What will I learn in Regroup tens and ones - ways to make a number?

You'll be able to: Identify at least two different ways to make a number between 11 and 19 using tens and ones (e.g., 12 can be 1 ten and 2 ones OR 0 tens and 12 ones); Solve addition problems involving regrouping with sums between 11 and 19 using….

Is "Regroup tens and ones - ways to make a number" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Regroup tens and ones - ways to make a number?

This lesson includes 28 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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