If 8 x 7 = 56...What is 8 x 70?
560
300 ፥ 3
100
Estimate the quotient using compatible numbers
152 ፥ 5
150 ፥ 5= 30
Use compatible numbers to estimate the quotient
4,066 ፥ 5
4000 ፥ 5 = 800
What is 7 x 6? Multiply that number by 100 to get this product
4,200
9000 ፥ 3
3,000
Use compatible numbers to estimate the quotient
275 ፥ 6
240 ፥ 6 = 40
300 ፥ 6 = 50
Use compatible numbers to estimate the quotient
1,108 ፥ 4
1,200 ፥ 4 = 300
What is 5 x 400 is
2,000
How are 49 and 490 related
490 is 10 times greater than 49; 490 can be renamed as 49 tens
Use compatible numbers to estimate the quotient
159 ፥ 7
140 ፥ 7= 20
210 ፥ 7= 30
Use compatible numbers to estimate the quotient
1,934 ፥ 5
2,000 ፥ 5 =400
This number x 9 = 810...
90
2,700 is ______ tens
27
Use compatible numbers to estimate the quotient
459 ፥ 9
450 ፥ 9= 50
Use compatible numbers to estimate the quotient
2,159 ፥ 5
2,500 ፥ 5= 500
9 x 2 hundreds is...
1,800
2,700 = _____ hundreds
27
Use compatible numbers to estimate the quotient
352 ፥ 5
350 ፥ 5= 70
Use compatible numbers to estimate the quotient:
3,156 ፥ 6
3,000 ፥ 6 = 500