Mathematics Grade 1 15 min

Counting tens and ones - up to 20

Counting tens and ones - up to 20

What you'll learn

  • Identify the 'tens' place in numbers between 10 and 20 with 100% accuracy when shown a picture of base-ten blocks.
  • Count groups of ten and single ones to represent numbers between 10 and 20 with 80% accuracy using manipulatives.
  • Write the number that represents a given picture of tens and ones (up to 20) correctly in 4 out of 5 attempts.

Tutorial Preview

1

How many blocks are there?

2

How many blocks are there?

3

How many blocks are there?

Sample Practice Questions

Easy
The number 13 has 1 ten and how many ones?
0.1
1.3
2.10
3.13
Easy
What number is made of 1 ten and 5 ones?
0.5
1.10
2.15
3.51
Easy
How many tens are in the number 18?
0.1
1.8
2.10
3.18

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Frequently asked questions

What grade level is "Counting tens and ones - up to 20"?

Counting tens and ones - up to 20 is a Grade 1 Mathematics lesson on ExcelOS.

What will I learn in Counting tens and ones - up to 20?

You'll be able to: Identify the 'tens' place in numbers between 10 and 20 with 100% accuracy when shown a picture of base-ten blocks; Count groups of ten and single ones to represent numbers between 10 and 20 with 80% accuracy using manipulatives….

Is "Counting tens and ones - up to 20" 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 Counting tens and ones - up to 20?

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

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