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WorksheetsNBT.7- 9 Assessment
Total questions: 13
Worksheet time: 1hrs 5mins
Which has the same sum as 410 + 344?
400 + 300 + 1 + 44
400 + 300 + 10 + 40
400 + 300 + 10 + 40 + 4
400 + 300 + 44
A jar contains a mystery number of beans. Jayden guesses that the jar holds 772 beans. His guess is 164 beans too high. What is the mystery number?
508
608
612
936
Gina reads 245 pages in a book. She must read 175 more pages to finish the book. How many pages are in Gina's books?
70
310
420
430
The chart shows the numbers of animals students count to the zoo. How many total animals do Faith and Geneva count?
318
408
418
428
Faye used base 10 blocks to show a number. Faye added one more hundreds block to the chart. What was her new number. Type your answer on the line.
(a)
If Faye removes one tens rod from the chart above. What number will the chart show now? Type your answer.
(a)
Ike has a basket of 139 tomatoes on Monday. Each day he uses 10 tomatoes. The table shows the number of tomatoes in the basket each day. Which is a true statement about Ike's tomatoes?
He will have 109 tomatoes in the basket on Friday.
He will have 99 tomatoes in the basket on Thursday.
He will have 19 tomatoes in the basket on Friday.
He will have 109 tomatoes in the basket on Thursday.
Adria enters 886 into a calculator. Her teacher tells her to change the number to 786. How can Adria change 886 to 786?
Add 10
Subtract 10
Add 100
Subtract 100
Gael guesses that a jar holds 717 peanuts. Gael's guess is 100 peanuts too low. How many peanuts are in the jar?
617
707
727
817
A pig weighs 94 pounds. Another pig weighs 112 pounds. Lydia and Shawn find the total weight of pig.
Lydia finds the total of the pigs by adding:
4 + 2 + 90 + 10 + 100
Shawn finds the total of the pigs by adding:
90 + 10 + 100 + 4 + 2
Why do both strategies work? Choose 2 answers
The addends can be decomposed into hundreds, tens, and ones.
The values of the tens digits should always be added first.
The hundreds digits must always be added first.
Addends may be added in any order.
Why are there no tens rods in Cammie's new model?
200 hundreds + 10 tens = 3 hundreds
7 tens + 3 tens = 10 hundreds
2 hundreds + 10 tens = 3 hundreds
2 hundreds + 10 ones = 3 hundreds
Darnell wants to give his sister 22 jelly beans. First he gives her 2 jars. Then he opens another jar. Why does Darnell open the other jar?
to decompose 1 ten into 10 ones
to decompose 1 ten into 10 tens
to compose 20 from 2 tens
to decompose 1 ten into 2 tens
Which equation shows that Gerald's sum is correct?
466 + 30 + 11 = 498
466 + 10 + 10 + 2 = 498
466 + 476 + 486 + 496 = 498
466 + 10 + 10 + 10 + 2 = 498
