3-7 Practice Buddy

A year ago, Maggie's puppy weighed 16 pounds. Now, her puppy weighs 37 pounds more. How much does Maggie's puppy weigh now?

Tags

CCSS.3.OA.D.8

Juan wants to buy 1 medium bag and 1 small bag of rubber bands. Will that give him more rubber bands than a large bag? Explain.

Tags

CCSS.2.OA.A.1

Juan wants to use counters to solve the problem 25 + 45. Do you think Juan's choice of tool is a good one? Why or why not?

• Yes. Juan can use counters to solve 25 + 45.

• No, Juan should use base ten blocks instead to solve 25 + 45.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Dominic has 24 rubber bands.
Seth has 17 rubber bands.
How many rubber bands do they have in total?
Explain how you used the chart to solve the problem.

I started at 24, moved down 1 row to add 1 ten to 24. Then I moved ahead 7. I landed on 41. So, 24 + 17 = ?.

Tags

CCSS.2.NBT.B.7

Katy has 15 flowers.
Tom gives her 18 more flowers.
How many flowers does Katy have now?

__ flowers

Tags

CCSS.2.OA.A.1

There are four number tiles in a bag.
Rose picks two numbers. The numbers have a sum of 52.
Which two numbers did Rose pick? Explain how you know.

• 21 and 34; On a hundred chart, I counted on 3 tens from 21 and then 1 one to 52.

• 21 and 26; On a hundred chart, I counted on 3 tens from 21 and then 1 one to 52.

• 34 and 18; On a hundred chart, I counted on 1 ten from 34 and then 8 ones to 52.

Tags

CCSS.2.NBT.B.7

Tyra is using 8 crayons for her first design. She is using 3 more crayons for her second design. Billy is using 6 crayons for his second design.
How many fewer crayons is Billy using than Tyra on his second design? Which equations help you solve the problem?

• 17 crayons; 8 + 3 = 11 and 11 + 6 = 17

• 11 crayons; 8 + 6 = 14 and 14 – 3 = 11

• 5 crayons; 8 + 3 = 11 and 11 – 6 = 5

• 11 crayons; 8 – 3 = 5 and 5 + 6 = 11

Tags

CCSS.3.OA.D.8