Exploring Groups of Ten in Grade 1 Math

This video tutorial, part of lesson 6.5, focuses on understanding groups of tens. It explains how to model and name groups of tens using ten frames, counters, and bars. The tutorial demonstrates how to count and group objects into tens, leading to a better understanding of numbers like 20, 30, 40, and up to 100. The video concludes with a preview of the next lesson, which will cover tens and ones up to 50.

How many tens are in two full ten frames?

• 2 tens

• 10 tens

• 20 tens

• 1 ten

If you have 30 ones, how many tens can you make?

• 3 tens

• 30 tens

• 10 tens

• 1 ten

How many ones are there in three tens?

• 300 ones

• 30 ones

• 3 ones

• 10 ones

What does 40 ones equal to in terms of tens and ones?

• 4 tens and 0 ones

• 40 tens and 1 one

• 10 tens and 0 ones

• 4 tens and 10 ones

What is the value of four tens and zero ones?

• 40

• 4

• 14

• 400

How many tens make 100?

• 20 tens

• 10 tens

• 100 tens

• 1 ten

How many groups of ten can you make with 100 ones?

• 10 groups

• 20 groups

• 100 groups

• 1 group

What number is represented by five tens?

• 50

• 10

• 5

• 15

What does seven tens equal to?

• 700

• 17

• 7

• 70

What is the next lesson going to cover?

• Subtraction with tens

• Counting by hundreds

• Tens and ones to 50

• Advanced multiplication