Question

name
additional practice 11-1
10 more and 100 more: use place-value models
another look! use mental math to find 10 or 100 more than 3-digit numbers. find $315 + 10$ and $315 + 100$.
place value can help you find 10 or 100 more.
1 ten more than
1 ten is 2 tens.
$315 + 10 = 325$
1 hundred more than 3 hundreds
is 4 hundreds.
$315 + 100 = 415$
find 10 more and then 100 more than each number shown. use blocks if needed.
1.
____ + 10 = ____
____ + 100 = ____
2.
____ + 10 = ____
____ + 100 = ____
3.
____ + 10 = ____
____ + 100 = ____
home activity choose a number between 200 and 300. ask your child to find 10 more than the number. repeat by having your child find 100 more than the number.
one hundred fifty-three 153
go online | savvasrealize.com

Explanation:

Step1: Identify number for Q1

The blocks show 1 hundred, 9 tens, 1 one = $191$.

Step2: Add 10 to 191

$191 + 10 = 201$

Step3: Add 100 to 191

$191 + 100 = 291$

Step4: Identify number for Q2

The blocks show 2 hundreds, 6 tens, 3 ones = $263$.

Step5: Add 10 to 263

$263 + 10 = 273$

Step6: Add 100 to 263

$263 + 100 = 363$

Step7: Identify number for Q3

The blocks show 2 hundreds, 7 tens, 5 ones = $275$.

Step8: Add 10 to 275

$275 + 10 = 285$

Step9: Add 100 to 275

$275 + 100 = 375$

Answer:

1. $\boldsymbol{191 + 10 = 201}$

$\boldsymbol{191 + 100 = 291}$

1. $\boldsymbol{263 + 10 = 273}$

$\boldsymbol{263 + 100 = 363}$

1. $\boldsymbol{275 + 10 = 285}$

$\boldsymbol{275 + 100 = 375}$