Addition	Subtraction	Subtraction with Decimals	Subtraction with Decimals	Multiplication
100 377 124+253=	100 218 345-127=	100 688-670 What is the estimation of 672.54 + 16.59=	100 54 What is the estimation of 37.8 - 16.2=	100 195 39 x 5
200 893 854+39=	200 288 582-294=	200 689.13 672.54 + 16.59=	200 37 What is the estimation of 73.63 - 37.4=	200 268 67 x 4
300 660 479+381=	300 207 234-27=	300 38, 37.9 What is the estimation 24.8 + 13.1= and the answer:	300 36.23 73.63 - 37.4=	300 1512 36 x 42
400 724 128+596=	400 336 678-342=	400 76, 76.23 What is the estimation 62.23 + 14= and the answer:	400 21.6 37.8 - 16.2=	400 384 24 x 16
500 920 748+172=	500 428 500-72=	500 756-758, 757.35 674.45+82.9	500 14, 14.94 21.94 - 7	500 1296 54 x 24

Adding, Subtracting, Multiplying with Decimals and Whole Numbers

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