Sasi Math (Revised for 1024)

Scroll:Whole Numbers >> Estimate sums and differences of whole numbers >> mcq (94)

Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.

Find the number of ones when 7 ones are subtracted from 90 tens
90 tens - 7 ones = ___ ones.

1) 893
2) 63
3) 899
4) 894

( )

How many ones will you get after you've subtracted 9 ones from 32 tens

32 ten(s) - 9 one(s) = ___ ones.

1) 311
2) 81
3) 317
4) 312

( )

Find the number of ones when 1 one are subtracted from 1 ten
1 ten - 1 one = ___ ones.

1) 15
2) 16
3) 10
4) 9

( )

Find the number of ones when 8 ones are subtracted from 25 tens
25 tens - 8 ones = ___ ones.

1) 243
2) 242
3) 248
4) 72

( )

How many ones will you get after you've subtracted 2 ones from 23 tens

23 ten(s) - 2 one(s) = ___ ones.

1) 229
2) 18
3) 234
4) 228

( )

Find the number of ones when 1 one are subtracted from 1 ten
1 ten - 1 one = ___ ones.

1) 15
2) 9
3) 16
4) 10

( )

Find the number of ones when 2 ones are subtracted from 48 tens
48 tens - 2 ones = ___ ones.

1) 484
2) 18
3) 478
4) 479

( )

How many ones will you get after you've subtracted 3 ones from 12 tens

12 ten(s) - 3 one(s) = ___ ones.

1) 27
2) 118
3) 123
4) 117

( )

Find the number of ones when 1 one are subtracted from 1 ten
1 ten - 1 one = ___ ones.

1) 15
2) 16
3) 10
4) 9

( )

10)

Find the number of ones when 5 ones are subtracted from 90 tens
90 tens - 5 ones = ___ ones.

1) 45
2) 901
3) 895
4) 896

( )

Find the number of ones when 7 ones are subtracted from 90 tens
90 tens - 7 ones = ___ ones.

1) 899
2) 63
3) 893
4) 894

Answer: 3

SOLUTION 1 :

Step 1: 90 tens = 90 x 10

= 900

Step 2: 7 ones = 7 x 1

= 7

Step 3: 900 - 7 = 893

How many ones will you get after you've subtracted 9 ones from 32 tens

32 ten(s) - 9 one(s) = ___ ones.

1) 317
2) 312
3) 311
4) 81

Answer: 3

SOLUTION 1 :

Step 1: 32 tens = 32 x 10

= 320

Step 2: 9 ones = 9 x 1

= 9

Step 3: 320 - 9 = 311

Find the number of ones when 1 one are subtracted from 1 ten
1 ten - 1 one = ___ ones.

1) 15
2) 16
3) 9
4) 10

Answer: 3

SOLUTION 1 :

Step 1: 1 ten = 1 x 10

= 10

Step 2: 1 one = 1 x 1

= 1

Step 3: 10 - 1 = 9

Find the number of ones when 8 ones are subtracted from 25 tens
25 tens - 8 ones = ___ ones.

1) 72
2) 242
3) 243
4) 248

Answer: 2

SOLUTION 1 :

Step 1: 25 tens = 25 x 10

= 250

Step 2: 8 ones = 8 x 1

= 8

Step 3: 250 - 8 = 242

How many ones will you get after you've subtracted 2 ones from 23 tens

23 ten(s) - 2 one(s) = ___ ones.

1) 228
2) 234
3) 229
4) 18

Answer: 1

SOLUTION 1 :

Step 1: 23 tens = 23 x 10

= 230

Step 2: 2 ones = 2 x 1

= 2

Step 3: 230 - 2 = 228

Find the number of ones when 1 one are subtracted from 1 ten
1 ten - 1 one = ___ ones.

1) 9
2) 16
3) 15
4) 10

Answer: 1

SOLUTION 1 :

Step 1: 1 ten = 1 x 10

= 10

Step 2: 1 one = 1 x 1

= 1

Step 3: 10 - 1 = 9

Find the number of ones when 2 ones are subtracted from 48 tens
48 tens - 2 ones = ___ ones.

1) 478
2) 18
3) 479
4) 484

Answer: 1

SOLUTION 1 :

Step 1: 48 tens = 48 x 10

= 480

Step 2: 2 ones = 2 x 1

= 2

Step 3: 480 - 2 = 478

How many ones will you get after you've subtracted 3 ones from 12 tens

12 ten(s) - 3 one(s) = ___ ones.

1) 118
2) 117
3) 27
4) 123

Answer: 2

SOLUTION 1 :

Step 1: 12 tens = 12 x 10

= 120

Step 2: 3 ones = 3 x 1

= 3

Step 3: 120 - 3 = 117

Find the number of ones when 1 one are subtracted from 1 ten
1 ten - 1 one = ___ ones.

1) 16
2) 10
3) 15
4) 9

Answer: 4

SOLUTION 1 :

Step 1: 1 ten = 1 x 10

= 10

Step 2: 1 one = 1 x 1

= 1

Step 3: 10 - 1 = 9

10)

Find the number of ones when 5 ones are subtracted from 90 tens
90 tens - 5 ones = ___ ones.

1) 895
2) 896
3) 901
4) 45

Answer: 1

SOLUTION 1 :

Step 1: 90 tens = 90 x 10

= 900

Step 2: 5 ones = 5 x 1

= 5

Step 3: 900 - 5 = 895