Page 115 - Math Smart - 7

® A grocery bag contains packets of flour, rice and sugar. The grocery bag E
O
has a mass of 17.42 kg. The mass of the flour is 7.3 kg and the mass of the 1 cm 1 ml 1
O
sugar is 4552 g. What is the mass of the rice?
IE) The mass of a lion at a zoo is 135 kg. A cat has a mass of 500 g. How many
times greater is the mass of the lion than the cat?
IE) Prishan bought a 2-kg bag of grapes. He ate 125 g of grapes on his way
1 cm lOOOg
home. How many grams of grapes did he have left?
® Use <, > or = to compare each pair of quantities.
a) 500 ml 254 ml b) 400g 375 g c) 56 m 73 m
d) 450 ml 0.6 £ e) 0.8 kg 80 g f) 20 mm 200 cm
1 mm 1000 kg
g) 8t 8000 kg h) 201 g 0.2 kg i) 986 mm 0.9 m

Try and Apply i u. 1000 kg

PAIR WORK
Let's play measurement dominoes!
— •— -'S;
O Pfint and cut out the measurement dominoes on the right.
© Place your ten dominoes face-down on your desk. 1 kg 1000 i
O Choose five dominoes from your set of ten dominoes as your playing set.
Do not show your playing set to your partner.
O Toss a coin to decide who starts the game.
Q Player A chooses one of their dominoes and places it face-up on the desk. 1 kg 1000 ml
O It possible, Player B should choose a domino from their playing set to
match either side of the displayed domino. If Player B does not have a
matching domino, they must pick up another domino from their face •
down set.
10 mm
O If this domino matches the displayed domino, it can be left facing up. 1000 ^
L_— .
O It the domino does not match, it must be added to the playing set of
dominoes. It is then the turn of Player A.
O Continue playing until one player has all of their dominoes displayed. This
player is the winner. ig
If neither player can display all their dominoes, the player with the least
number of dominoes is the winner.
0.1 cm 1tonnej

i,

•
1000 tonnes 100 000 cm i