S. K. Gupta Anubhuti Gangal Class 1 Math Fifth Chapter Addition And Subtraction Of 2-Digit Numbers Practice Page 80

S. K. Gupta Anubhuti Gangal Class 1 Math Fifth Chapter Addition And Subtraction Of 2-Digit Numbers Practice Page 80

PRACTICE PAGE 80

Add the tens.

(1) 1 ten + 1 ten = 2 tens / 10 + 10 = 20

(2) 2 tens + 4 tens = 6 tens / 20 + 40 = 60

(3) 1 ten + 5 tens = 6 tens / 10 + 50 = 60

(4) 7 tens + 2 tens = 9 tens / 70 + 20 = 90

(5) 4 tens + 3 tens = 7 tens / 40 + 30 = 70

(6) 3 tens + 5 tens = 8 tens / 30 + 50 = 80

(7) 1 ten + 6 tens = 7 tens / 10 + 60 = 70

(8) 5 tens + 5 tens = 10 tens / 50 + 50 = 100

(9) 3 tens + 1 ten = 4 tens / 30 + 10 = 40

(10) 4 tens + 5 tens = 9 tens / 40 + 50 = 90

(11) 3 tens + 6 tens = 9 tens / 30 + 60 = 90

(12) 1 ten + 7 tens = 8 tens / 10 + 70 = 80

(13) 4 tens + 4 tens = 8 tens / 40 + 40 = 80

(14) 7 tens + 2 tens = 9 tens / 70 + 20 = 90


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