Tim has 13 shiny rocks in his fish tank. He places 18 more shiny rocks into the tank. How many shiny rocks are in the fish tank now? Find an equation to model the question.

John finds 48 seashells at the beach. Jennifer finds 36 seashells. How many seashells do they have in total? Identify the bar diagram to model the question.

Robert saw 68 ants and Patricia saw 31 ants. How many ants did they see altogether? Find an equation to model the question.

Find the missing number.
⎕ + 32 + 28 = 76

Karen’s pencil is 12 cubes long. If she has two more pencils that are each 12 cubes long, how many cubes long are all three pencils together?

In this question, instead of adding the lengths of all the three pencils we could simply multiply the length of one pencil by the number of pencils (i.e., 3)
Thus, length of the 3 pencils = 12 cubes x 3 = 36 cubes
Hence, option(a) is the correct option.

Find the sum of all the price tags as given below:

Mathew records the number of problems he solves in three consecutive days. What is the total number of problems he has solved?

Days	Day 1	Day 2	Day 3
Number of Problems	14	13	16

Mrs. Davis has 24 red notebooks, 16 blue notebooks, and 17 green notebooks. How many notebooks does she have in all?

Add the numbers: 12, 34, and 18.

Find 26 + 7 + 21 + 3.

Fill in the blank: 40 + 29 + 25 = ⎕

The local food bank was receiving donations from the community. During the first week, they received 13 boxes of canned soup and 32 boxes of crackers. During the second week, they received 25 boxes of canned soup. During the third week, they received 17 boxes of canned soup and 28 boxes of crackers. How many boxes of canned soup did they receive in total?

Charles is adding the numbers 23, 24, 34, and 57. He makes a ten to add. Which ones digits does Charles add first?

Find the missing number.
11 + ⎕ + 39 = 64

Linda filled her bucket with 35 pounds of shells. If Nancy comes to add 15 pounds of shells, and Lisa comes to add 17 pounds of shells, how many pounds does she have altogether?

Based on question 4, how many points have the four children scored altogether?