Place Value/Rounding
Round to the nearest million:
1,374,937,837
1,375,000,000
72 divided by 9
What are the factor pairs of 36?
1 & 36
2 & 18
3 & 12
4 & 9
6 & 6
A classroom has 124 pencils. The teacher brings 36 more pencils. Then 50 pencils are given out to students. How many pencils are left?
110
( n × 3 ) + 5 = 26
7
13,563
1. Round to the nearest 1,000
2. Round to the nearest 100
3. Round to the nearest 10
1. 14,000
2. 13,600
3. 13,560
2 divided by 8476
4,238
What are the factor pairs of 56?
1 & 56
2 & 28
4 & 14
7 & 8
A school orders 8 boxes of markers. Each box has 24 markers. 35 markers are used during the year. How many markers are left?
157 markers
(6 × 5) − 8 = ___
22
Orally narrate how to round this number to the nearest hundred thousand.
157,958,342
First locate the hundred thousands place (9). Look to the right of the 9 and see whether the number is 5 or above. Since the number is 5, you round up.
6 divided by 5,948
991 r 2
Orally narrate how you can find out whether a number is prime or composite.
Prime numbers do not have any multiples except 1 and itself. example 11 - 1 & 11
A bakery makes 6 trays of cupcakes with 18 cupcakes per tray. They sell 74 cupcakes in the morning and 38 in the afternoon. How many cupcakes are left?
0 cupcakes left
(2 + 7) × 3 = ___
27
Write these as numbers:
23 million
seven hundred and sixty five billion five hundred and twenty three thousand three hundred and four
1. 23,000,000
2. 765, 000, 523, 304
20 divided by 40, 362
2,018
List all the prime numbers between 1 and 20
A library has 3 shelves of books with 95 books each. They buy 120 new books and then remove 85 damaged books. How many books are there now?
320 books
(24 ÷ 6) + 9 = ___
4
Round to the nearest million and rank them from least to greatest:
24,168,303
259,281,096
35,134,016
1. 24,000,000
2. 36,000,000
3. 259,000,000
Orally narrate the correlation between dividing and fractions.
fractions are another way of showing division. for example 40/10 = 40 divided by 10 which is 4.
List all the prime numbers between 1 and 100.
2,3,5,7,9,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97
A school fundraiser sells 7 boxes of candy. Each box has 36 pieces. They sell 145 pieces on Monday and twice that amount on Tuesday. They then restock 60 pieces. How many pieces are there now?
60 pieces
(d × 4) + 6 = 22
d = 4