Naming 3D objects. 1 Name the 3D objects labelled in these models. Use the word bank to help you.

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1 Nming 3D ojects 1 Nme the 3D ojects lelled in these models. Use the word nk to help you. Word nk cue prism sphere cone cylinder pyrmid D A C F A B C D cone cylinder cue cylinder E B E prism F cue G G pyrmid H sphere H J I I J cue prism 2 Use uilding locks to uild your own model. Record wht it looks like y drwing nd lelling the different 3D ojects used. Which locks re est to use s the se of your model? Why? Answers will vry. Crds 141, 142, 143,

2 Fces of 3D ojects 1 Ech 3D oject hs fce covered in red ink. Drw line to mtch ech oject with the shpe the fce will print. A fce is fl t surfce. 2 Look t the fces of these 3D ojects. Colour the shpes of the fces on ech oject. c d Crds 149,

3 Views of 3D ojects 1 Colour the 2D shpe tht cn e seen from the top view of these 3D ojects. c 2 Drw nd nme the shpe you would see. Looking t the side view squre Looking t the ottom view circle c Looking t the top view circle Crds 149, 151, 153,

4 Corners, edges nd fces 1 Plce cross on ech fce. A tringulr prism hs 5 fces. A rectngulr prism hs 6 fces. 2 Plce coloured dots on the corners of ech 3D oject. A corner is the point where two or more edges meet. cue A hs 8 cor ners. pyrmid A hs 5 cor ners. 3 Trce over the edges of ech 3D oject. An edge is where two fces meet. rectngulr prism A hs 12 edges. cylinder A hs 2 edges. Crds ,

5 Descrie me fces edges corners Write the numer of fces, edges nd corners for ech 3D oject. cue prism 6 fces 5 fces 12 edges 9 edges 8 cor ners 6 cor ners c prism d pyrmid 6 fces 5 fces 12 edges 8 edges 8 cor ners 5 cor ners 2 Drw two 3D ojects tht hve no corners. sphere cylinder Crd

6 Fetures of 3D ojects 1 Circle the 3D oject tht does not elong in ech set. 2 Use the word nk to nme 3D oject tht hs: 6 fces 3 fces c curved surfce cue cylinder sphere 3 Drw nd lel n oject tht hs: Explin to prtner why ech of your circled ojects is the odd one out. Word nk prism sphere cue cone cylinder pyrmid no corners. two flt surfces nd one curved surfce. sphere cylinder Crd

7 Mking 3D ojects 1 Drw line to link the 3D ojects tht mtch. 2 Use strws nd plsticine to mke these 3D models. Mke 3D model with 6 fces tht re ll the sme. Drw your model. Mke 3D model with 4 tringulr fces nd squre s the se. Drw your model. 3 Nme the 3D ojects tht you mde. cue, pyrmid Crds 147,

8 Fetures of shpes 1 Complete the tle for ech shpe. Word nk rhomus circle trpezium tringle hexgon rectngle C A B D E F Nme of shpe Numer of sides Numer of corners A rectngle 4 4 B circle 1 0 C tringle 3 3 D hexgon 6 6 E rhomus 4 4 F trpezium Mke the four-sided shpes on geoord. 3 Colour the hexgons tht re irregulr. A hexgon hs 6 sides. A regulr hexgon hs 6 equl sides nd ngles. An irregulr hexgon hs 6 sides tht re not ll equl. 94 Crd 130 Mke some regulr nd irregulr hexgons on geoord.

9 Constructing shpes 1 Mke the following shpes y cutting strws nd threding pipe cleners through them. Drw nd nme the shpes. Mke shpe using 3 strws tht re the sme length. tringle Mke shpe using 4 strws tht re the sme length. squre c Mke shpe using 2 long strws nd 2 short strws. rectngle d Mke shpe using 6 strws tht re the sme length. hexgon 2 Use pipe cleners nd strws to mke n irregulr shpe. Drw your shpe. Answers will vry. Crd

10 s in the environment Word nk 1 Trce nd nme the shpes. trpezium hexgon rhomus c hexgon trpezium rhomus 2 Nme two shpes used in ech window design. c squre rectngle trpezium squre tringle hexgon 3 Wht m I? Mtch ech description with its nme nd picture. I hve 3 sides nd 3 corners. trpezium I hve 6 sides nd 6 corners. c I hve 4 sides. Two of them re prllel nd two of them re not. tringle squre Crds 126, 129, 133, d I hve 4 equl sides nd 4 equl cor ners. hexgon Mke your own Wht m I? crds for other 2D shpes.

11 Horizontl nd verticl lines 1 Circle the flgs tht hve verticl lines. Cross the flgs tht hve horizontl lines. The stripes on this fl g re horizontl. They go cross. The stripes on this fl g re verticl. They go up nd down. 2 Trce the horizontl lines in the picture red nd the verticl lines lue. 97

12 Prllel lines 1 Colour the verticl pencils lue nd the horizontl pencils red. These pencils re lso descried s eing prllel. Prllel lines never meet or cross over ecuse they re n equl distnce prt for their entire length. 2 Colour the sets of chopsticks tht re prllel. c d e f 3 Look t the types of lines in this photo. Are the yellow poles prllel? Yes Is the ground verticl or horizontl? Horizontl 98 Crd 161 c Is the ldder prllel to the shortest slippery slide? No

13 Compring ngles 1 Ter corner off piece of pper. Find ngles in your clssroom tht re the sme, smller or lrger thn the corner. Record where you found them. Answers will vry. Sme Smller Lrger doorwy 2 Compre your pper corner with the ngles highlighted on the photo. A B E D C Angles tht re the sme s my pper corner: C nd D Angles tht re smller thn my pper corner: Angles tht re lrger thn my pper corner: A B nd E Crd

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