6 SekolahRendahLodge BY Phang Cheng lLng DECIMALS
Decimal – addi+on and subtrac+on A. Add 1. 18 + 7.79 = 2. 0.91 + 23.065 = 3. 41.9 + 1.798 = 4. 33.099 + 6.281 = 5. 5.88 + 10.9 + 22.64 = 6. 9.5 + 0.078 + 16.461 = 7. ! "# + 80 + %! "## + & "### = 8. ( ) + 6.382 = 10.98 9. ( ) + ( ) = 16.173 B. Subtract 1. 13 – 3.6 = 2. 8.43 – 2.86 – 4.069 = 3. 57 – 18.6 – 24.971 = 4. 106 ' "# – 28 % "## = 5. ( ) – 2.9 = 3.67
Decimal – addition and subtraction A. Add 1. 18 + 7.79 = 2. 0.91 + 23.065 = 3. 41.9 + 1.798 = 4. 33.099 + 6.281 = 5. 5.88 + 10.9 + 22.64 = 6. 9.5 + 0.078 + 16.461 = 7. 8 10 + 80 + 28 100 + 7 1000 = 8. ( ) + 6.382 = 10.98 9. ( ) + ( ) = 16.173 B. Subtract 1. 13 – 3.6 = 2. 8.43 – 2.86 – 4.069 = 3. 57 – 18.6 – 24.971 = 4. 106 4 10 – 28 2 100 = 5. ( ) – 2.9 = 3.67 2 25179 3.67 23975 43 698 TIM 39.38 39.42 26.039 81.087 4 598 II 9 4 1 501 am EE.IE 78,38 6.57
Extra exercise ( 16/5/2023) 1. 5.48 x 3 = 2. 0.31 x 7.2 = 3. 1.1 x 0.54 = 4. 15.7 x 2.8 = 5. 34.69 x 3.5 = 6. 6.7 x 1.42 = 7. 57.84 x 9.3 = 8. 113.7 x 5.4 = 9. 0.7 x 0.78 =
Extra exercise ( 17/5/2023) 1. 2.58 ÷ 2 = 2. 0.525 ÷ 0.5 = 3. 101.5 ÷ 25 = 4. 9.8 ÷ 0.2 = 5. 1.35 ÷ 0.5 = 6. 16.524 ÷ 0.18 = 7. 21.346 ÷ 0.52 = 8. 91.938 ÷ 3.3 = 9. 118.8 ÷ 4.5 =
( ) x 1.3 = 7.54 1.5 x ( ) = 3.9 ( ) x 9 = 46.8 ( ) x 2.4 = 4.752 ( ) x 9.6 = 158.4 0.6 x ( ) = 2.205 ( ) x 0.54 = 4.104 7.9 x ( ) = 25.28
Find unknown 2 1. ( ) ÷ 2.3 = 778 2. ( ) ÷ 19.6 = 4.2 3. 5.6 ÷ ( ) = 1.6 4. 0.28 ÷ ( ) = 0.07 5. ( ) ÷ 2.8. = 14.6 6. 20.304 ÷ ( ) = 2.4 Find unknown 2 1. ( ) ÷ 2.3 = 778 2. ( ) ÷ 19.6 = 4.2 3. 5.6 ÷ ( ) = 1.6 4. 0.28 ÷ ( ) = 0.07 5. ( ) ÷ 2.8. = 14.6 6. 20.304 ÷ ( ) = 2.4