Random 1
Which of the following addends are broken apart correctly?
a.) 156+209
(100+200)+(50+10)+(6+9)
b.) 332+458
(300+4)+(30+5)+(2+8)
c.) 640+109
(600+100)+40+9
d.) 290+209
(200+200)+(90+10)+9
C
Mr. Huss drove 212 miles on Monday. On Tuesday he drove 69 miles. He drove another 183 miles on Wednesday. How many total miles did he drive over the three days. Show your work!
212+69+183= 464 miles
456-238=218
Break apart this problem into simpler problems using place value, and solve.; 458+342
Show your work.
400+300= 700
50+40= 90
8+2= 10
700+90+10=800
Salim has 311 tokens. He uses 185 of them to download a game to his tablet, and 19 of them to add a character to another game. How many tokens does he have left?
311-185-19= 107 tokens
Faduma is finding the difference between 362 and 161. Does Faduma need to regroup, why or why not? Then find the difference. Show your work.
No Faduma does not need to regoup. Faduma can subtract 1 one from 2 ones, 6 tens from 6 tens and 1 hundred from 3 hundered. 362-161=201
Issadin finds the difference of 756-319. First he estimates using compatible numbers. He find 750-300=450. Then he finds the difference is 337. Do you agree with Issadin's answer? Explain why or why not. Show your work!
No because 756-319=437 not 337
Cows at the Wolf Dairy Farm produces 300 gallons of milk on Thursday. A local ice cream maker purchased 165 gallons of this milk. There are 50 cows on the farm. How many gallons are left to sell?
300-165= 135 gallons
Hodo earns $345 from babysitting in June, in July she earned $209, and she earned $198 in August. How much more did Hodo earn in July and August than in June? **Hint, this is a 2-step problem. Show your work.
Step 1: $209+$198= $407
Step 2: $407-$345= $62
At Lincoln Elementary there are 88 students in Grade 1 and 116 in Grade 2. Grade 3 has 164 students. Is the numbre of students in grade 1 and 2 greater than the number of students in Grade 3? Make your conjecture (remember conjecture means statement), and prove it.
88+116=204. 204 > 164
Last year Ms. Crosby added $763 to her savings account. Her brother added $547 to his savings account. Which shows how much more Ms. Crosby saved?
$763-$547= $216
Barwaqo uses place value to subtract 342 from 562. How many times does she need to regroup? Solve. Show your work.
Barwaqo needs to regroup 0 times. 562-342=220
Ms. Maiers buys 200 yards of fabric. She uses 128 yards to make a curtain. Then she makes place matts for a crafts sale and uses another 23 yards. How many yards does she have left? Show your work.
200-128-23= 49 yards
Last month Ms. Zarah rode her bike 219 miles. Her brother rode his boke 196 miles. Both Ms. Zarah and her brother took 18 rides. How many miles did they ride? Show your work!
219+196= 415
Mr. Kreiwaldt spent $328 on gasoline last month. Mrs. Harrison spent $293. Mr. Chris spent $493. How much more did Mr. Chris spend than Mr. Kriewaldt? Show your work.
$493-$328= $165