Category: 5th Grade Math

rounding up numbers- 10 plus 10 plus 10 is 30. 40 plus 50 plus 10 is 100. 5 plus 5 plus 6 is 16. 3 plus 3 plus 3 is 9. 20 plus 20 plus 60 is 100. 40 plus 60 plus 100 plus 100 is 300. 1000 plus 1000 plus 5 is 2005. 6 plus 6 plus 6 plus 6 is 24. 4 plus 4 plus 4 plus 4 is 16. 5 plus 5 plus 5 plus 5 is 20. 6 plus 4 plus 4 is 14. 1 plus 1 plus 1 plus 1 is 4 8 plus 8 plus 4 is 20. 2 plus 2 plus 2 is 6. 88 plus 2 plus 2 is 92. 60 plus 60 plus 40 is 160. 5 plus 5 plus 5 plus 10 is 25 5 plus 6 plus 6 is 17. 65 plus 5 plus 5 is 75 18 plus 2 plus 20 is 40.

Subtraction with missing numbers. 9 – ? = 4 answer is 5. 10 – ? = 5 Answer is 5. 4 – ? = 2. Answer is 2. you have 5 lemons and give away 2. 3 is left. you give away 3 lemons and 0 is left. lets say you have 100 lemons. you give 90 away. how many is left? 10. you give away 6 lemons. 4 is left. you have 100 rocks. you give away 5 to mom and 65 to your friend how many is left? 30. you have 600 rocks and give away 70. how many is left? 530. you buy 88 watermelons and you eat 5. how many is left? 83. you have 90 gallons and give away 78 gallons. how much is left? 8 gallons. you buy 60 lemons and give away 40. now you have 20 lemons. you give 16 lemons to your friend, and now you have 4 lemons. you give away 2 lemons to mom and now you have 2 lemons. you eat 1 lemon and give the other to the neighbor. 5 minus 4 is 1. 560 minus 20 is 540.

Simple addition 5 plus 2 plus 3 equals 10. 7 plus 1 plus 2 is 10. Addition with carrying 100 plus 200 is 300. 100 plus 260 is 360. Addition with problems- 245 plus 55 plus 99 plus 2 is 401. you are a car detailing business owner. you have detailed 3 cars. a SUV-75 dollars, a sports car 55 dollars, and a van 60 dollars. they all owe you money. that adding them up is 180. simple addition – 1 plus 2 plus 3 is 6. 100 plus 200 is 300. 400 plus 600 is 1000. 500v plus 600 is 1100. 400 plus 500 is 900. 60 plus 40 plus 50 is 150. 1 units plus 2 units is 3 units. 500 units plus 1 unit is 501 units. 600 units minus 400 units is 200 units. 500 units plus 1000 units is 1500 units. 600 units minus 500 units is 100 units. 1000 units plus 800 units is 1800 units.400 units plus 1600 units is 2000 units. one unit plus 100000 units is 100001 units. you have 20 apples. you sell 4 for 5 dollars.how many apples do you have now. answer 16. you have 55 cent. you buy 5 apples for 5 cent. you have 5 apples and 50 cent. you decide to sell the apples for 10 cent each. they sell and now you have 100 cent. you want to buy lemons, but you do not have enough. so you buy 10 oranges for 10 cent each. you eat one but you sell them for 20 cent each. now you have 180 cent. you need 300 for the lemons. so you buy 4 watermelon for 50 cent each. now you sell them for 100 cent each. you gained 400 cent now you can buy the lemons. you buy 10 lemons. one for mom. one for dad. one for grandma. one for grandpa. one for your sister. one for your brother. one for your friend. one for your aunt and uncle. and one f or your cousins. now you have 1 lemon. now you eat the lemon. you have 500 cent leftover and you can buy groceries, clothes, and toys for your family.

Units- 1 unit is 1 , 2 units is 2 . 3 units is 3. for example i will show how to multiply units , 100 units and 11 units is 111 units. 111 units AND 20 Units is 131 units. 2380 units and 20 units is 2400 . 600 units and 56 units is 656 units. 100 units and 210 units is 310 units. 50 units and 60 units is 110 units, 6 units and 8 units is 14 units.57 units and 3 units is 60 units . 7 units and 3 units is 10 units. 70 units and 70 units is 140 units. 11 units and 5 units is 16 units. 88 units and 3 units is 91 unit. 20 units and 30 units is 50 units. 90 units and 100 units plus 3 units is 193 units. now, i will do subtraction. 600 units minus 400 units is 200 units. 5 units minus 2 units is 3 units. -Bonus- Johnny has 560 dollars. he spends 65 dollars at the mall. how many dollars does he have now. Answer is 495. now, back to the subtraction. 700 units minus 500 units is 200 units. 65 units minus 60 units is 5 units. 209 units minus 210 units is 199 units. 300 units minus 200 units is 100 units. 70 units minus 60 units is 10 units. This is unit multiplication and unit subtraction.