We will learn Subtracting tens and ones.
Write in expanded form and find the difference and arrange the numbers in columns. Subtract the digits in ones and tens column.
1. Subtract the following digits in ones and tens column. One has been done for you.
(i) |
86 = 8 tens + 6 ones - 25 = 2 tens + 5 ones 61 = 6 tens + 1 ones |
T O 8 6 - 2 5 6 1 |
(ii) |
57 = __ tens + __ ones - 17 = __ tens + __ ones __________________________ __ = __ tens + __ ones __________________________ |
T O __ __ - __ __ ____________ __ __ ____________ |
(iii) |
46 = __ tens + __ ones - 40 = __ tens + __ ones __________________________ __ = __ tens + __ ones __________________________ |
T O __ __ __ __ ____________ __ __ ____________ |
(iv) |
67 = __ tens + __ ones - 15 = __ tens + __ ones __________________________ __ = __ tens + __ ones __________________________ |
T O __ __ __ __ ____________ __ __ ____________ |
(v) |
54 = __ tens + __ ones - 32 = __ tens + __ ones __________________________ __ = __ tens + __ ones __________________________ |
T O __ __ __ __ ____________ __ __ ____________ |
(vi) |
76 = __ tens + __ ones - 61 = __ tens + __ ones __________________________ __ = __ tens + __ ones __________________________ |
T O __ __ __ __ ____________ __ __ ____________ |
(vii) |
88 = __ tens + __ ones - 22 = __ tens + __ ones __________________________ __ = __ tens + __ ones __________________________ |
T O __ __ __ __ ____________ __ __ ____________ |
(viii) |
94 = __ tens + __ ones - 52 = __ tens + __ ones __________________________ __ = __ tens + __ ones __________________________ |
T O __ __ __ __ ____________ __ __ ____________ |
(ix) |
83 = __ tens + __ ones - 32 = __ tens + __ ones __________________________ __ = __ tens + __ ones __________________________ |
T O __ __ __ __ ____________ __ __ ____________ |
(x) |
59 = __ tens + __ ones - 49 = __ tens + __ ones __________________________ __ = __ tens + __ ones __________________________ |
T O __ __ __ __ ____________ __ __ ____________ |
Subtraction of a 1-digit number from a 2-digit numbers.
2. Find the difference of the following: One has been done for you.
(i) |
T O 7 3 - 2 7 1 |
(ii) |
T O 5 7 - 6
|
(iii) |
T O 8 4 - 2
|
(iv) |
T O 5 9 - 8
|
(v) |
T O 1 9 - 7
|
(vi) |
T O 7 6 - 6
|
(vii) |
T O 8 5 - 3
|
(viii) |
T O 9 4 - 2
|
(ix) |
T O 5 1 - 0
|
(x) |
T O 9 9 - 9
|
Subtraction of a 2-digit number from a 2-digit number.
2. Find the difference of the following: One has been done for you.
(i) |
T O 8 6 - 6 4 2 2 |
(ii) |
T O 5 4 - 2 3 ________ |
(iii) |
T O 4 7 - 1 5 ________ |
(iv) |
T O 7 9 - 5 7 ________ |
(v) |
T O 8 1 - 3 1 ________ |
(vi) |
T O 3 8 - 1 6 ________ |
(vii) |
T O 9 7 - 6 5 ________ |
(viii) |
T O 7 4 - 3 3 ________ |
(ix) |
T O 5 5 - 3 3 ________ |
(x) |
T O 8 2 - 7 1 _________ |
First Grade Math Activities
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