Page 14 - Math Genius C2

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NUMBERS BEyOND 200

The Maths teacher brings a 201 202 203 204 205 206 207 208 209 210
number chart showing numbers 211 212 213 214 215 216 217 218 219 220

201–300. The teacher makes a 221 222 223 10 less 227 228 229 230
number window and places it on 231 232 233 235 237 238 239 240

a number as shown alongside. 241 242 243 1 less 1 more 247 248 249 250
10 more
If the number at the centre is 251 252 253 254 255 256 257 258 259 260
235, then which number is 261 262 263 264 265 266 267 268 269 270

(a) above it? 271 272 273 274 275 276 277 278 279 280

(b) below it? 281 282 283 284 285 286 287 288 289 290

(c) on its right? 291 292 293 294 295 296 297 298 299 300

(d) on its left?

Next, the teacher places the number window on other numbers and asks the students
to call out the hidden numbers. What could be your answer, if you were in that class?

(a) 264 (b) 253 (c) 216

Based on the same number chart, fill the missing numbers in the following windows.

216

(a) 221 (b) (c) 280 (d)

249

COUNtING IN HUNDREDS

In the following manner, Rahul has made several sets of 100 blocks.

10 ones = 1 ten 10 tens = 1 hundred

12 Mathematics-2