Counting Practise counting in multiples of 1s, 2s, 3s, 4s, 5s, and 10s with learners aloud together regularly. As multiples are counted, point out each number for learners to see on a hundreds chart. a Fill in the missing numbers: 1 2 3 4 5 6 7 8 9 10 11 13 17 20 21 22 23 24 25 26 27 28 29 30 31 33 37 40 41 43 47 50 51 53 57 60 61 62 63 64 65 66 67 68 69 70 71 73 77 80 81 83 87 90 91 92 93 94 95 96 97 98 99 100 CAPS Grade 2 Term 4 Numbers, Operations and Relationships Counts forward and backward in 1s, 2s, 3s, 4s, 5s and 10s from any number between 0 and 200. 71 GR2_ENG_B2_2013.indb 71
b Do this: Count in 10s from 1 to 91. Colour in the numbers that you land on for each 10 that you count with green. Count in 10s from 10 to 100. Colour in the numbers that you land on for each 10 that you count with green. Count in 2s from 12 to 20. Colour in the numbers that you land on for each 2 that you count with red. Count in 5s from 23 to 78. Colour in the numbers that you land on for each 5 that you count with blue. Count in 11s from 34 to 89. Colour in the numbers that you land on for each 11 that you count with yellow. Count in 9s from 19 to 82. Colour in the numbers that you land on for each 9 that you count with yellow. Count in 2s from 82 to 90. Colour in the numbers that you land on for each 2 that you count with red. c d Count forwards in 2s from 67; 67 Count backwards in 4s from 84: 84 72 GR2_ENG_B2_2013.indb 72
Number chart two e Fill in the missing numbers: 101 102 103 104 105 106 107 108 109 110 111 113 117 120 121 122 123 124 125 126 127 128 129 130 131 133 137 140 141 143 147 150 151 153 157 160 161 162 163 164 165 166 167 168 169 170 171 173 177 180 181 183 187 190 191 192 193 194 195 196 197 198 199 200 73 GR2_ENG_B2_2013.indb 73
f Do this: Count in 10s from 110. Colour in the numbers that you land on for each 10 that you count with purple. Count in 10s from 101. Colour in the numbers that you land on for each 10 that you count with blue. Count backwards in 5s from 139 to 104. Colour in the numbers that you land on for each 10 that you count with red. Count backwards in 4s from 167 to 143. Colour in the numbers that you land on for each 10 that you count with green. Count in 3s from 172 to 199. Colour in the numbersthat you land on for each 10 that you count with orange. g h i Count backwards in 5s, starting at 160: 160 Count forwards in 3s from 93: 93 Count backwards in 10s, starting at 156: 156 74 GR2_ENG_B2_2013.indb 74
Number names Join these number names to their number symbols. The first one has been done for you. Number names: twenty-three fifty-seven ninety-two one hundred and eleven one hundred and twenty-eight fifty-six eighty seventy-one seventeen one hundred and thirty-four one hundred and forty-nine sixty-two Number names are the names of numbers written in words. Display the number names for the units 1-9, the number names for the tens 10-90 and the number names for the hundreds 100-900 in class for leaners tao read, and learn. Number symbols: 57 92 23 56 111 80 128 17 134 149 62 71 CAPS Grade 2 Term 4 Numbers, Operations and Relationships Identifies, recognises and reads number names for the number symbols 0 to 100. 85 GR2_ENG_B2_2013.indb 85 2013/04/02 3:53 PM
Place value 11 75 Say the numbers in the table. a How many tens and units are they made up of? Number Tens Units 23 2 3 45 62 71 30 19 Tens Units 13 b Work out what the number is on the abacus: T U T U T U 29 GR2_ENG_B2_2013.indb 29
c Now try these: 19 = 10 + 9 = 1 ten and 9 units. 24 = + = tens and units. 57 = + = tens and units. 32 = + = tens and units. 69 = + = tens and units. d Lerato is thinking of some numbers and giving clues to what number she is thinking. Write the number she is thinking of in the box. 46 It has four tens and six units: It has two tens and two units: It has nine tens and five units: It has eight tens and one unit: 40 + 6 = 46 e Write down two of your own clues for your friend to solve! f Separate these numbers into tens and units: 34 = 30 + 4 65 = 71 = 43 = 59 = 27 = Numbers, Operations and Relationships Decomposes two-digit numbers into multiples of tens and ones/units. 30 CAPS Grade 2 Term 3 GR2_ENG_B2_2013.indb 30