Three Digits | What is Spike Abacus?

Three-digit numbers are from 100 to 999. We all know that there are 9 single-digit numbers, particularly 1, 2, 3, 4, 5, 6, 7, 8, and 9. There are 90 two-digit numbers, i.e. from 10 to 99. Single digit numbers are made with the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9. When making two-digit numbers, zero (0) is used along with the numbers from 1 to 9. two-digit numbers, the place one digit represents the variety of ones and the opposite the variety of tens.

The digit representing ones is positioned within the ones place, and the digit representing them is positioned within the tens place. As in 52, 5 is 5 × 10 = 50 within the tens place and a pair of is 2 × 1 = 2 within the ones place.

Equally5 out of 35 is 5 × 1 = 5 within the ones place and three × 10 = 30 within the 3 tens place so 35 = 30 + 5.

The primary twelve digit numbers include the numbers 0, 1, 2, …. It comes after 1, ie 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19. Then comes 2 within the tens place. All digits come after 2 i.e. 21, 22, 23, 24, 25, 26, 27, 28 and 29.

The desk beneath exhibits the formation of two-digit numbers:

Sophia has 99 beads. It makes use of 10 beads to make 1 wreath. She made 9 wreaths she and now she has 9 beads left.

99 = 9 dozens and 9 those that

He takes 1 extra bead from his mom. Now she will be able to make one other garland of 10 beads.

The full variety of beads is now 100.

99 and 1 extra is 100

Ninety-nine and yet one more is 100.

The quantity counted after 99 is 100. It is a three digit quantity. Including one to 99 makes a complete of 100.

There are 10 tens or 100 ones in 100, so (100 = 10 × 10 = 100 × 1). With the assistance of ones, we get two-digit numbers from 10 to 99 with the assistance of tens, ones and tens.

we all know that

one ten = entrance (10)

two tens = twenty (20)

three tens = thirty (30)

4 tens = forty (40)

5 tens = fifty (50)

six ten = sixty (60)

seven ten = seventy (70)

eight ten = eighty (80)

9 ten = ninety (90)

ten = face (100)

Equally,

1 × face = face (100)

2 × face = two faces (200)

3 × face = 300 (300)

4 × face = 4 hundred (400)

5 × face = 5 hundred (500)

6 × face = 600 (600)

7 × face = seven hundred (700)

8 × face = eight hundred (800)

9 × face = 9 hundred (900)

10 × hundred = thousand (one thousand)

We see that three-digit numbers equivalent to 100, 200, 300, 400, 500, 600, 700, 800 and 900 are represented by digits with one digit and two zeros. These numbers are multiples of two numbers, i.e. 100×1, 110×2, 100×3, …….., and so on.

Nevertheless, three-digit numbers are fashioned by inserting the one and two-digit numbers from 1 to 99 as 101, 102, 103, 104, 105, 106, respectively, after the essential digits 1, 2, 3, ….., 9. , 107, 108, 109, 110, ……., 117, 118, 119, ………, 125, 126, 127, …….., 134, 135, 136, ……….., 299, 300, 301, ….…., 400, ….…, 427, ………….and so on.

In three-digit numbers, the digits are positioned within the ones, tens and tons of place. There’s those digit on the far proper of the quantity, the tens digit on the left, and the tons of digit on the left. Numbers have a sure variety of place values.

For instance, In 235, the place worth of 5 is 5, the place worth of three is 30, and the place worth of two is 200. 2 hundred thirty 5.

Let’s create the quantity 100 with the assistance of blocks. If we are saying a small block 1, then a strip of 10 small blocks represents 10. A sheet of 10 strips exhibits 100.

One block

10 blocks are 1 bronze

10 lanes of 10 blocks, 100 every

numbers from 101 to 110

H one

T 0

HE one

101

100 and one

H one

T 0

HE 2

102

Hundred and two

H one

T 0

HE 3

103

100 and three

H one

T 0

HE 4

104

100 4

H one

T 0

HE 5

105

Hundred and 5

H one

T 0

HE 6

106

100 and 6

H one

T 0

HE 7

107

100 and 7

H one

T 0

HE 8

108

100 eight

H one

T 0

HE 9

109

100 9

H one

T one

HE 0

110

Hundred and ten

numbers from 110 to 200

	110	Hundred and ten
	120	100 twenty
	130	100 thirty
	140	Hundred and forty
	150	Hundred and fifty
	160	100 and sixty
	170	100 seventy
	180	Hundred and eighty
	190	100 ninety
	200	Two faces

Depend and write quantity and quantity identify.

	117	100 seventeen
	128	100 and twenty eight
	135	135
	144	100 forty 4
	156	100 fifty six
	167	100 sixty seven
	172	100 seventy two
	181	100 eighty one
	194	100 ninety 4
	199	100 ninety 9

Skip Counting to Lots of

It’s simpler to depend bigger numbers by forming teams of tons of.

	100	Face
	200	Two faces
	300	300
	400	4 hundred
	500	5 hundred
	600	600
	700	seven hundred
	800	Eight hundred
	900	9 hundred

Depend and write numbers and quantity names.

	910	9 hundred ten
	920	9 hundred twenty
	930	9 face thirty
	940	9 hundred forty
	950	9 hundred fifty
	960	9 hundred and sixty
	970	9 hundred seventy
	980	9 hundred eighty
	990	9 hundred ninety
	999	999

It may be simply defined with the assistance of mathematical units known as three-digit numbers. ABACUS.

What’s a spike abacus?

The spiked abacus has a number of iron nails on a wood base. The spikes can have globules, that are wholes. The spikes are ones, tens, tons of, 1000’s, and so on., from proper to left, respectively. known as.

The variety of globules within the respective spines represents the place worth of the digit of the quantity.

The abacus image given has three spikes. There are 2 globules within the first spike that denotes ones, 3 globules subsequent to it, and 4 globules within the third spike from those’ spike.

The signal of two globules one, spike 2 × 1 = 2, 3 globules specific tens of spikes 3 × 10 = 30, whereas 4 globules specific third spike, ie tons of of spikes 4 × 100 = 400. represents the quantity 400 + 30 + 2 = 432 in other places.

Thus, with the assistance ofabacusFrom , we will perceive the idea of a three-digit quantity.

Evaluation:

● A quantity has a number of digits.

● We use the numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 to write down numbers.

● Single digit numbers equivalent to 1, 2, 3, ………… 9 are known as single digit numbers.

● Double-digit numbers equivalent to 22, 53, 67, …… 99 are known as two-digit numbers.

● Three-digit numbers equivalent to 100, 235, 367, …… 999 are known as three-digit numbers.

● To learn a two-digit quantity, learn the tens digit first after which those digit.

● To learn a three-digit quantity, first learn the tons of digit after which the final two digits as proven beneath.

I. Write 321 to 350:

II. From 581 to 610 write:

III. Fill within the blanks:

IV. Write brief varieties. One was made for you.

V. Write in expanded varieties. One was made for you.

VI. Fill within the blanks:

(i) 648 = ………… tons of + ………… tens + ………… ones

(ii) 735 = ………… tons of + ………… tens + ………… ones

(iii) 290 = ………… tons of + ………… tens + ………… ones

(iv) 579 = ………… tons of + ………… tens + ………… ones

VII. Kind the quantity names:

(i) 326 –

(ii) 578 –

(iii) 729 –

(iv) 107 –

(v) 450 –

(vi) 672 –

(vii) 762 –

(viii) 985

(ix) 855 –

(x) 736 –

(ksi) 244 –

(xii) 790 –

(xiii) 189 –

8. Write the numbers:

(i) 600 and ninety-two

(ii) 2 hundred and thirty eight

(iii) Seven hundred and twenty one

(iv) 100 and forty

(v) 5 hundred and twelve

(vi) 4 hundred and 6

(vii) Eight hundred and thirty-two

(viii) 5 hundred and eighty-nine

(ix) 9 hundred forty-seven

(x) 9 hundred ninety-nine

(xi) 300 ninety-eight

(xii) 2 hundred and fifty three

2nd Grade Arithmetic Train

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