math grade 3 for VASer's

what type of method is this?(tip : co at first, od at last)

Answer explanation

look at how they put the caculation on display.

Draw a polygon (shapes with straight sides, no crossing sides (sides that are on each other are crossing sides) and no spaces between sides)

1.000.000.000 is written as:

123 = ... + ... + ...?

• 1 + 2 + 3
• 10 + 200 + 3

• 100 + 20 + 3

• 1 + 20 + 300

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 = ...(write in words)

23 + 77 + 100 + 700 + 56 + 44 = ...(select all that apply)

• 1000
• 500 + 500

• 100

• 1 + 999

1,2,3,4,5,6,7,8,9 are: ...(select all that apply)

• digits

• numbers

• numbers from 1 to 9

• numbers that can add up to ten