Lesson 5: Doubles & Halves(1) Wb pg 122

Challenge 1 - Guess the number! Write the answer in the empty thought bubble. 28 16 13 17 Challenge 2 (1) Use whichever strategy you prefer to halve or double the numbers in the table.Example - 5 digit number - 12 400 , 19 200, 19 800, 15 600, 17 800 (spacing) 22 220 2200 31 310 3100 19 190 1900 88 880 8800 124 1240 12 400 76 760 7600 23 230 2300 39 390 3900 48 480 4800 92 920 9200 156 1560 15 600 192 1920 19 200 194 1940 19 400 178 1780 17 800 198 1980 19 800