Adding Hundreds Tens One No Regrouping

• Dion's blocks show regrouping 2 tens for 10 ones

• Dion's blocks show regrouping 1 hundred for 10 tens

• Dion added 265 and then subtracted 2 more. This is okay, because 265 is 2 more than 130

• Dion used the blocks to show adding hundreds to hundreds, tens to tens, and ones to ones.

• No, because he should regroup the ones. The sum is 561.

• Yes, because he does not have to regroup. The sum is 551.

• No, because the sum needs one more hundred. The sum is 651.

• No, because he should add hundreds to hundreds, tens to tens and ones to ones. The sum is 5511.

• 347

• 356

• 400

• 446

How many ten rods are in 100?

• 10

• I don't know.

• 1

• 0

Add.

• 59

• 96

• 69

Fill in the blank to make the statement true. 2 hundreds is ​ (a)   times as much as 2 tens.

• 200

• 20

• 2

• 2000

• 10

• 100

• 1000

Which number is equal to seven hundreds plus four tens plus zero ones?

• 74

• 704

• 740

• 470

how many hundreds are in 901

• 9

• 10

• 2

• 12

10 tens is the same as...

• 10

• 100

• 1010

• 1000