Question

please help me friends​

Answer 1

$\mathcal{\fcolorbox{red}{aqua}{\red{Addition\:and\: Subtraction\: without\: Regrouping :}}}$

(1) There are 316 people at scouts meeting, and then 512 more came. How many people are there now at the scout meeting?

Ans: Now 828 people are there at the scout meeting. here, the numbers are added.

(2) Robo had 645 basketball cards. He gave 323 of them away to his friends Jim. How many basketball cards does he have left?

Ans: Robo have 322 basketball cards left out. Here, The numbers are subtracted.

3. Melissa's class had 7,456 packs of cookies to sell Girl Guides. They sold 2,345 packs of cookies. How many more packs of do they have to sell?

Ans: 5111 packs have to sell. Here the numbers are subtracted.

4. Super Value bought 8,345 canned goods. They sold 3124 canned goods on the weekend. How many canned goods are left?

Ans: 5221 canned goods are left. Here The given number are subtracted.

5. Marty collected 4285 marbles in 2012 and 3163 in 2013. How many marbles did he collect in the two years?

Ans: Marty collect 7448 marbles in the two years. Here the numbers that is 4285 and 3163 are added.

HOPE IT'S HELPED! :D