2.1 Multiplication using comparison bars
2.2 Multiply place value
2.3 Estimate by rounding
2.4 Estimate between 2 numbers
2.5 Distributive property
100

Once me and my friend Martin went to the beach we took a few surfboards Martin had 9 times more than I did I had and I had 43. How many surfboards did Martin take?

Show  using comparison bars

387

100

53x8=

424

100

6x78

6x80

480

100

1700 is between?

2000

1000

100

7x56

Show using the distributive property

392

200

Martin and I went on a trip to Alaska and bot some emojis I bought 8 times as many as Martin and Martin had 53. How more do I have than Martin?

Show in comparison bars

424

200
35x88=

3080

200

9x94

9x90

810

200

18000000 is between?

20000000

10000000

200

9x72

648

300

Once I and Martin went to a camp and got 48 sticks I got 1864 more. How many do we have in all?

1912

300

99x11

1089

300

9x789

9x800

7200

300

290000000000 is between

300000000000

200000000000

300

9x78

702

400

My friend and I went to the store and bought bars they were knickers it tastes so good that I bought 8 times as much as my friend got and he got 73. How many knicker bars did I buy?

584

400

567x896=

508032

400

8x9888

8x10000

80000

400

89080947 is between

90000000

80000000

500

Martin and I went to the Fortnite championships and we won and we got 7,000,000,000,0 dollars and we split the money in half so we would get an even amount of money how much money did we get?

Show in comparison bars

35000000000



500

5353x8989

48118117

500

9x9999

9x10000

90000

500

78957 is between

70000

80000