Bài 16: Seventeen, eighteen and nineteen

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Introducing 17 to 19

Starry, can we go out and play? Why are you taking so long with your homework.

Come. Let me help you out. You have to write number 11 to 19.

That’s easy. 11-12-13-14-15-16… What’s happened Starry? Continue.

Don’t you know the number that comes after 16? 17, 1 and 7, 17 S-E-V-E-N-T-E-E-N.

Now 17 Starry, can also be written in tens and units.

So 1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17 separate red beads can also be 1-2-3-4-5-6-7-8-9-10 beads and 1-2-3-4-5-6-7 beads. 1 ten and 7 units.

And the number that comes after 17 is 18, 1 and 8, E-I-G-H-T-E-E-N.

Look at these yellow beads, 
let’s count them 1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18 separate beads.

Suppose we group ten together, we have 1-2-3-4-5-6-7-8-9-10 beads and 1-2-3-4-5-6-7-8 beads.

That’s 1 tens and 8 units Starry, 18.

Starry, the last number that we have to write today, the number that comes after 18 is the number 19. 1 and 9 N-I-N-E-T-E-E-N.

Shall we count the blue beads Starry?

1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18 and 19.

               

Now Starry, let’s group ten together!

We have 1-2-3-4-5-6-7-8-9-10 beads and 1-2-3-4-5-6-7-8-9 beads. That’s 1 ten and 9 units. 19
There’s Starry, we have completed your homework.

Now let’s do an activity together. 
Count and match the following.

1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16   fish, 16.

1-2-3-4-5-6-7-8-9-10-11-12-13 ants, 13

1-2-3-4-5-6-7-8-9-10 bees, 10.

1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17 birds, 17.

1-2-3-4-5-6-7-8 mice, 8.

1-2-3-4-5-6-7-8-9-10-11-12 owls, 12.

1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19 flowers, 19.

Very good Starry!

In this activity, we have to count stars and fill in the blanks.

1-2-3-4-5-6-7-8-9-10 stars and 1-2-3 stars.

____ tens and ___ units. The number that 1 ten and 3 units. The number 13.

1-2-3-4-5-6-7-8-9-10 stars and 1-2-3-4-5-6-7 stars.

____ tens and ____ units. The number that 1 ten and 7 units. The number 17.

1-2-3-4-5-6-7-8-9-10 stars and 1-2-3-4-5 stars.

That’s ____ tens and ____units. The number that 1 ten and 5 units. The number 15.

1-2-3-4-5-6-7-8-9-10 stars and 1-2-3-4-5-6-7-8-9 stars.

____ tens and ___ units. The number that 1 ten and 9 units. The number 19.

1-2-3-4-5-6-7-8-9-10 stars and 1-2-3-4 stars.

____ tens and ____ units. The number that 1 ten and 4 units. The number 14.

1-2-3-4-5-6-7-8-9-10 stars and 1-2-3-4-5-6-7-8 stars.

____tens and ____ units. The number that 1 ten and 8 units. The number 18.

1-2-3-4-5-6-7-8-9-10 stars and 1-2 stars.

____ tens and ____ units. The number that 1 ten and 2 units. The number 12.

Starry, you look happy today. You have learnt to count from 1 to 19.

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