We included HMH Into Math Grade 2 Answer Key PDF Module 1 Lesson 6 Use a Tens Fact to Subtract to make students experts in learning maths.
HMH Into Math Grade 2 Module 1 Lesson 6 Answer Key Use a Tens Fact to Subtract
I Can use a number line and tens facts to find differences.
Spark Your Learning
Make a concrete model and show how to use a tens fact to solve the problem. Draw to show your work.
Answer:
Read the following: Sava has 12 stickers. He gives 4 stickers to a friend. How many stickers does Sava have now? Make a concrete model and show how to use a tens fact to solve the problem. Draw to show your work.
Build Understanding
Caleb has 13 pretzels. He eats 5 of the pretzels. How many pretzels does he have now?
A. You can subtract in steps to use a tens fact. Mark 13 on the number line. How many do you need to subtract to get to 10?
13 – ___ = 10
B. How can you break apart the 5 to find how many more you need to subtract?
C. Use the number line to show how many more you need to subtract.
D. What tens fact can you use to find the difference?
10 – 2 = ___
E. Find the difference. 13 — 5 = ____
F. How many pretzels does Caleb have now? ___ pretzels
Answer:
Explanation:
5
/\
3 2
13 – 3 = 10
10 – 2 = 8
13 – 5 = 8
Caleb now have 8 pretzels now.
Turn and Talk How does using a number line help you solve this problem? Explain.
Step It Out
1. Leticia makes a bracelet with 16 beads. Then 7 beads fall off the bracelet. How many beads are on the bracelet now?
A. Use the number line to show how you get to 10.
B. Write how many you need to subtract from 16 to get to 10.
16 – __ = 10
C. Break apart the 7 to find how many more you need to subtract.
16 – 7 =
D. Write the tens fact you will use to solve the problem.
10 – ___ = ___
E. Solve the problem.
16 – 7 = ___ ___ beads
Answer:
Explanation:
7
/\
6 1
16 – 6 = 10
10 – 1 = 9
16 – 7 = 9
There are 9 beads on the bracelet now.
Check Understanding
Question 1.
There are 11 bananas in a bunch. Then Jackson and his family eat 8 bananas. How many bananas are in the bunch now? Show the tens fact you used.
10 – __ = ____ _____ bananas
Answer:
Explanation:
11 – 1 = 10
10 – 7 = 3
11 – 8 = 3
There are 3 bananas in the bunch now.
On Your Own
Use Tools Find the difference. Show the tens fact you used.
Question 2.
There are 14 spoons ¡n a basket. The Green family uses 8 spoons at dinner. How many spoons are ¡n the basket now?
10 – ___ = ___ ___ spoons
Answer:
Explanation:
14 – 4 = 10
10 – 4 = 6
14 – 8 = 6
There are 6 spoons in the basket now.
Question 3.
15 – 9 = ___
10 – ___ = ___
Answer:
Explanation:
15 – 5 = 10
10 – 4 = 6
15 – 9 = 6.
Question 4.
12 – 8 = ____
10 – ___ = ___
Answer:
Explanation:
12 – 2 = 10
10 – 6 = 4
12 – 8 = 4.
Question 5.
17 – 8 = ___
10 – ___ = ___
Answer:
Explanation:
17 – 7 = 10
10 – 1 = 9
17 – 8 = 9.
Question 6.
14 – 7 = ___
10 – ___ = ___
Answer:
Explanation:
14 – 4 = 10
10 – 3 = 7
14 – 7 = 7.
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