Unit 5 Post Game

(2.NR.2) Jacob needs 86 beads to make a necklace. The colors of the beads he needs are red, yellow, and blue. He has 34 red beads and 17 yellow beads. How many blue beads does Jacob need? Write equations to solve. Then write the answer.

(2.NR.2) Use place value blocks to find the sum of 342 + 451.

Willie collects some more cans on Sunday. He now has 90 cans. Find the missing number in the equation to find how many cans Willie collects on Sunday. 16 + 25 + 34 + ______ = 90

Use a strategy to solve the problem. 438 + 240 = ______

Mark has 51 crayons. He gives 13 crayons to Ava. How many crayons does Mark have now? You can use the open number line to help find the difference. 51 - 13 = _______.

Which has the sum 48? Choose all that apply.

• 38 + 20

• 20 + 20 + 8

• 24 + 24

• 8 + 18 + 22

Write the missing numbers in the pattern below: 138, 238, ____, 338, 438. Then write the rule to describe the pattern.

Show how to add 65 + 21 using the open number line.

Amanda has 63 marbles. She gives 28 marbles to Ken. How many marbles does Amanda have now? Write an equation to show your work and solve. Use the chart to help you.

Which of the following patterns shows the rule Add 10? Choose all that apply.

• 280, 290, 300, 310

• 523, 533, 543, 553

• 310, 410, 510, 610

• 185, 175, 165, 155