math 2

look at this pictures!

there are ....

• 4 x 5 = 4+4+4+4+4 = 20

• 2 x 3 = 2+2+2 = 6

• 3 x 2 = 3+3 = 6

• 2 x 4 = 2+2+2+2 = 8

• 8 x 4 = 8+8+8+8+ = 32

• 7 x 4 = 7+7+7+7 = 28

• 5 x 6 = 5+5+5+5+5+5 = 30

• 6 x 4 = 6+6+6+6 = 24

• 6 x 7 = 6+6+6+6+6+6+6+ = 42

• 8 x 4 = 8+8+8+8 = 32

• 7 x 4 = 7+7+7+7 = 28

• 9 x 4 = 9+9+9+9 = 36

fill in the blanks with more or less!

container B has ... water than container A

• more

• less

container A has ... water than container B

• more

• less

(6+3) + 1 = 6 + (3+1)

...?

• 10

• 11

• 12

• 13

2 x (3x5) = (2x3) x 5

...?

• 25

• 30

• 35

• 40

write in centimeters.

6 m = ...

• 60 cm

• 600 cm

• 6000 cm

• 60000 cm

40 m = ... cm

• 400 cm

• 4000 cm

• 40000 cm

• 400000 cm

write in meters and centimeters.

390 cm = ... m ... cm.

• 3 and 90

• 30 and 9

• 3 and 900

• 3 and 9