Rounding to the nearest 10
Round 769 to the nearest 10 using the number line strategy.
770
Round 769 to the nearest 100 using the number line strategy.
800
WHAT IS THE PLACE VALUE OF THE 4 IN THE NUMBER 834?
4 , the value of the 4 in 834 is 4 because it is in the ones place.
809+123=
932
Using the decomposition strategy, solve: 257-198
59
MS. MCLEOD WENT ON A TRIP TO FLORIDA. HER BAGS WEIGHED 234 POUNDS. IF WE ROUNDED THE WEIGHT TO THE NEAREST TEN, ABOUT HOW MANY POUNDS WOULD HER BAGS WEIGH?
230 pounds
MRS. EDGERTON HAS 2,769 TAKIS. SHE ASKED MRS. PRINE AND MS. MCLEOD TO ROUND THE NUMBER OF TAKIS TO THE NEAREST HUNDRED.
MRS. PRINE SAID THAT IT IS 2,700 TAKIS.
MS. MCLEOD SAID THAT IT IS 2,800 TAKES.
WHO WAS RIGHT? EXPLAIN WHY.
Ms McLeod because 2,769 rounds to 2,800.
WHAT IS THE PLACE VALUE OF THE 3 IN THE NUMBER 834?
30, , the value of the 3 in 834 is 30 because it is in the tens place.
(175 + 234) + 32 = 175 + ( ___ + 32)
WHAT NUMBER IS MISSING?
EXPLAIN.
234 is missing. I noticed that 234 was the middle number in the problem on the left. On the right side, the problem looked the same except the parentheses were different, and I noticed that 234 was missing.
Using the numberline strategy, solve:935-785
150
MS. PRINE WENT TO THE GROCERY STORE. HER GROCERIES WEIGHED 112 POUNDS. IF WE ROUNDED THE WEIGHT TO THE NEAREST TEN, ABOUT HOW MANY POUNDS WOULD HER GROCERIES WEIGH?
110 pounds
MS. MCLEOD ATE 218 PIECES OF CANDY. SHE TOLD MS. LEWIS SHE ONLY ATE ABOUT 200 PIECES OF CANDY.
IS THIS A REASONABLE STATEMENT? HOW DO YOU KNOW?
Yes because Ms. McLeod rounded 218 to the nearest hundred, and 218 rounded to the nearest 100 is 200. Therefore, it is a reasonable statement.
No because Ms. McLeod could have rounded 218 to the nearest ten, and 218 rounded to the nearest 10 is 210. Therefore, it is not a reasonable statement.
WHAT IS THE VALUE OF THE 8 IN THE NUMBER 834?
800, the value of the 8 in 834 is 800 because it is in the hundreds place.
MS. MCLEOD HAS 835 STICKERS TO GIVE TO HER STUDENTS. SHE BOUGHT 135 MORE. HOW MANY STICKERS DOES SHE HAVE NOW?
She has 970 stickers.
I’M LOOKING FOR A NUMBER. WHEN YOU SUBTRACT ONE OF THE NUMBERS BELOW FROM 700, THE ANSWER IS GREATER THAN 200. WHICH NUMBER IS IT?
A.) 521 B.) 672 C.) 555 D.) 468
D.) 468