Vocabulary
What is the answer to an addition problem
sum
What is longer an inch or centimeter
inch
21-9
12
What number is in the hundreds in 264
200
Jake has 12 apples and eats 4 of them. How many are left over?
8 apples
What is the word when you move to another place vale after making a 10
regroup
What is the best unit to measure a field?
meters
54-27
27
Draw a place value chart
H|T|O
A farmer has 50 potatoes on Tuesday. On Thursday he picks another 45. How many does he have by the end of the week?
95 potatoes
what is a value within a number
digit
Estimate how many feet the door is tall
7-10 feet
406-185
221
How much is 25 tens
250
There are 55 grapes in a bag, I eat 11 on Monday, 20 on Tuesday, and 15 on Wednesday. How many do I have for my lunch on Thursday?
9 grapes
what is the answer to a subtraction problem
difference
How many centimeters are in a meter?
100cm
621-176
445
200+70+4
274
A teacher sharpens 80 pencils yesterday . She sharpens 10 more today than yesterday. How many does she sharpen after both days.
170 pencils
What is an educated guesss
estimate
How many inches in a foot
12 inches
900-654
246
9 ones + 7 hundreds+ 12 tens
829
I have a 125 cm string cut into three pieces. The The first piece is 40 cm. The smallest piece is 25cm. How much is left of the ribbon?
60 cm